Canon needs to announce fairly soon if for no other reason they've cleared the market of 5Dn buyers with the lower pricing on 5D2. At this point you have folks like me that bought for $2K because I'd likely not buy a 5D3 for 50% more. Then you still have the waiting people who will pay $3K and are going to keep waiting. That leaves Canon with no buyers in this niche until they produce a product.
I agree, and also think that the Concept Cinema DSLR will stop video people from buying the 5D3. It makes more sense for Canon to make the 5D3 a more stills oriented camera (I know how much you photogs hate paying for features you're not goinghttp://canonrumors.com/forum/Smileys/default/grin.gif to use). I think both the concept DSLR and 5D3 will be great cameras and plenty of issues will be addressed.
*5D3/Photographers - Better AF, Better LCD, Digic V (multiple most likely), better ISO performance, faster fps
*Cinema DSLR/Videographers - Get moire, rolling shutter and aliasing under control, better high ISO performance. Uncompressed codec, thunderbolt port, some type of servo focus maybe (although it seems like there isn't a great way to do this). Who knows, it seems like not having to worry about AF and fast shutter could bring down the cost substantially, after all this is supposed to be a video camera.
Hopefully everyone will be happy/satisfied
Unfortunately I don't think the "Concept" DSLR is going to be targeted for the 5DII video market. Canon announced and purposely showed off that "Concept DSLR" camera in their marketing materials next to the C-300 and the new cine lenses and PL mounts with the same "C" branding in red, therefore I think that camera is aimed at THAT market solely - Hollywood, where it was announced...not at the core 5DII community that shoots video. I think it will be targeted to be used in conjunction with the C300s as B cams etc or others (indies with funding) as primary that are buying the $8K-$15K cine lenses as well... all the pictures I've seen of it from Canon show it with one of the new CN-E lenses which are obviously going to be well above EF-L glass in price. I also don't think it was THAT early of a prototype either, else they wouldn't have included it in the C-300 announcement. I think it's closer to market version vs concept.
Like you, I'd like to see a stills camera similar to the 1DsIII too (or alternately a new model/series FF stills camera in the $3-4K range) but since everyone is including video now I don't think we will. With the 1Dx inclusive of video, I think that the prospect of a stills-only studio camera has left the building, even if the rumored huge MP camera comes out, I'm sure it will also shoot video. I think the 5DIII will be targeted at the same exact market that loves their 5DIIs (stills and/or video both) in the $3K range, with no real surprises in the price/market area. I'm guessing much akin to a FF 7D (AF, etc) hopefully with some of the new sensor/video features of the 1Dx. Maybe we will all see soon now...