Shooting RAW is almost impossible to do (I have discovered), unless you have one of the "beasts" of Nikon or Canon. The D100 can do ok and maybe the 10D can do a little better, but it seems that a person has to really fork out the $$$ to get fast enough processing speeds to shoot RAW. Of course, I'm speaking from the standpoint of shooting as a photojournalist or shooting in situations were you can't wait 7 or so seconds for each RAW file to write. If I was going on a hiking trip or a casual shoot, a 10D or D100 would do just fine. So, I guess it depends on the application. For me, I need/want something that shoots RAW as fast as it does JPEG.
I should mention the D70 is alleged to write 3x faster than the D100. I read this on a Japanese sight and it is mentioned on DPR I think. I will be very interested in how the D70 performs when writing RAW files.