motorhead said:
jrista said:
Well, for one, you are assuming Brand B makes a camera "at least as good". Consumer sentiment would indicate otherwise. Brand B certainly has a better image sensor...but its camera has a variety of issues, say, with white balance, LCD screen rendition, AF system, buffer unload rate, etc. Brand B has great glass, but it is not as good as Brand A. Brand B's camera is phenomenal for some things, but Brand A's camera is phenomenal for just about everything, with a few caveats at really low ISO...
So...IS it really true that Brand B makes a camera "at least as good" as Brand A? Technologically speaking, they certainly have an edge. Overall, consumer sentiment seems to indicate Brand A still makes a better camera. And that sentiment has nothing to do with brainwashing or existing gear or anything like that (we've seen plenty of cases of switchers here on CR, where people have literally dumped their entire Canon kit and switched to Nikon or vice versa.)
As for price/performance...the D800 does have a phenomenal sensor. However that camera is clearly not as viable in as many use cases as the 5D III. Its gargantuan file sizes has turned more than a majority of wedding photographers off. It's lackluster frame rate without spending additional money on a battery grip (which normalizes the price gap and offers a size/weight ratio benefit to the competition). The poor full buffer clear rate of the D800 creates a lag in your ability to keep shooting, where as Canon cameras just keep on plugging away.
If you consider sensor the singular factor that affects a camera's competitiveness, and it actually turns out that sensor is indeed the primary thing that affects IQ for the kind of photography you do (I can think of one case where that is probably always true...landscape photography), and you are completely unwilling to wait and see what Canon does...then dumping your kit and jumping ships, or straddling both the Canon and Nikon ships, is probably the solution to your problem. Does that mean you are getting a better price/performance ratio? Well, if you do not yet currently own Nikon, and do own Canon, your price point for the D800 for better low ISO IQ (and ONLY better low ISO IQ) is a hell of a lot higher...you need at least one comparable lens. If you just pick up the competing Canon camera, even though the single-item price point is potentially higher (depends on whether you actually get that battery grip for the D800 or not), the total cost to upgrade and not jump ship puts you at a better price/performance ratio.
Rationalism isn't as cut and dry it might seem when one only factors image sensor into the basis of image quality and bang for the buck. I'd say the market is pretty rational already, and that photographers already are purchasing the camera with the best price/performance ratio for the kind of work they do. If the D800, D600, etc. were hands down far better cameras than the Canon alternatives, consumers would be buying Nikon.
Everything you say is of course true, but sadly everything you flag up as of limited appeal is of great interest to me and the Canon advantages I don't see as advantages. Thats why I am dissapointed that Canon have chosen to dump all their loyal IDs customers in favour of video and sports use. I am really not bothered if a camera of mine took just 1 shot per second, frame rates and buffer sizes, like high ISO noise, is of no interest.
I fully understand that something like the 1Dx will be perfect for some, all I want is for Canon to consider both sides which at the moment they are not doing.
If that is what you need that is fine. I also would not go so far as to say Canon has "chosen to dump you". On the contrary, it is clear Canon has NOT dumped you, and the reason they have not released a big MP camera yet is they need more time to make it what you want it to be...low noise at low ISO, high dynamic range, etc. But you have to realize, if the D800 had never come along, everyone would still consider the 5D II to be a phenomenal landscape and studio camera. UNTIL the advent of Sony Exmor sensors, no one would have questioned the quality of Canon products. They were great, with excellent IQ, the best of the best at everything, before the D800. Simple fact of the matter is they are STILL great, with excellent IQ, now that the D800 is here. The only difference is now they are not the best of the best at everything...only the best at most things except low ISO IQ.
You also have to realize that you are part of the minority of photographers, not the majority. If you take a small leap back in time, before all of the camera releases in late 2011/early 2012...do you remember what everyone was asking for? Do you remember all the things people DID bitch about regarding Canon sensors? Everyone complained that there were TOO MANY megapixels. Everyone complained that there was not enough high ISO, and they needed more. Everyone complained that there was too much noise at high ISO. Everyone demanded less megapixels, higher ISO, and better noise characteristics at those higher ISO settings. Everyone, in this context, is the vast majority of Canon's customer base...wedding photographers, sports photographers, wildlife and bird photographers, etc. I think studio photographers who used Canon gear were happy with what they had in the 1Ds III...assuming they did not use a medium format digital camera (which I think is really the majority of studio photographers.) Landscape photographers raved about how great the 5D II was. The biggest complaints elsewise came from the high-end sports group using the 1D line, who had experienced problems with the 1D III AF system, and who wanted something better than the 1D IV AF system that was more competitive against Nikon's new-at-the-time reticulated AF system.
Canon gave the very vast majority of their customers
EXACTLY what they were asking for! 
"We want fewer pixels that do higher ISO and do it better...oh, and throw in a better AF system too."
Today...everyone is asking for something different. Today, everyone wants better low ISO performance and improved low ISO dynamic range. Canon listened to their customers quite well in the past, and gave everyone exactly what they asked for in the last round of camera releases. I have confidence Canon is doing everything they can to meet their customer's demands regarding the next round of camera releases.
I think the 7D II will have much lower noise at all ISO settings, and a stop or two of expanded high ISO usage, thanks to much higher Q.E. I think the Big Megapixel Monster will have not only a very high megapixel count, I also think those megapixels will be fairly competitive next to something like the D800. If the IQ of the 6D is indicative of anything, it seems clear that Canon has nearly eliminated chroma noise at most ISO settings, particularly lower ISO settings in the deep shadows, where as even the 5D III still exhibits a fair amount. All that really remains is for Canon to eliminate banding noise.
Canon isn't ignoring their minority customer base. I think they have heard loud and clear, they simply need time to produce a compelling product.