I'm liking this case a fair amount but the raven's and FT02's really aren't as watercooling friendly as I'd like. If i had my choice I would have made it an inch longer, and added a second grating on the back for another fan to allow a dual 120 rad to be mounted there. that'd solve not only my wish for a more watercooling friendly case, but it'd allow you guys to put an intake blowing directly into your video card intake like you wanted.
Oh well, not like that's going to change anytime soon.
I really wouldn't use this case for watercooling. It just doesn't have enough space for the type of internal watercooling setups I prefer. That TJ11 has plenty of space, but it is mucho expensive.
I agree the rear panel could be tweaked to give air and water coolers some additional options. Making it an extra 25mm long would allow you to install fans in the rear without interfering with the 8th expansion slot area.
Although, come to think of it, you could install the fan on the outside of the case and route the fan cable through the top pretty easily (probably without needing an extension), and use a screw-on fan filter if you so desire. You'd have a fan hanging out the back, which wouldn't be as streamlined looking, but it would let you have the extra fan in the rear and still use the 8th expansion slot if you need it for some reason.