Your bring up a good point, although Crysis has been delayed, sigh, what else is new...
I think the nay-sayers just like saying nay, and the aye-sayers just like saying aye. The way I look at it, if it's better than what's out there currently, why not get it... especially for the application it's for. If your a heavy video editor, then why not get a quad-core, even though other things won't use it or will be able to utilize it for a while...
Same thing here, why not get the 8800GTX just to play Oblivion with full everything, and Company of Heroes with decent framrates and full everything also? A X1950XTX is already around 450-500, just plop down another 100 or so and get performance a bit worse than X1950XTX CF...