I have used www.morephotos.com for years. works well.
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I trust that you realize your sensor is designed to blur your images, right? The AA filter reduces moiré by reducing sharpness.
Also...I wonder...do you view/present all your images at 100%? You must have some pretty high-res display equipment. I guess everyone you share images with has such equipment as well. I'm sure you're also aware that downsampling reduces sharpness.
BTW, how do you define 'best image quality'?
I have heard plenty of horror stories of lost data with the portable hard drive storage devices. Here is a rock solid idea. An inexpensive laptop with a dual layer DVD burner, put your images on the laptop hard drive then backup daily to the DVD’s. Then store the DVD’s in another place.
Hate to shoot this down, but DVD-DL only holds 8.4gb / disk. Take into account size, the time to spread a 64b card full of raw files across 8-9 disks, you're better off getting more SD/CF cards.
There are lots of similar threads here and other places - most come back to the answer that it's either the HyperDrive like devices or drag along your laptop and external drives.
I guess my old film days are showing a DVD-DL will hold over 200 raw files that's 6 rolls of film. I always found it hard to shoot 50 plus rolls of film in a day.