I'm with you, there's no doubt the x1950 will be a powerful contender, but for me, the difference between 200 and 250 is significant, as is the jump from 150 to 200.
For example, I can, right now, pick up a BFG OC'd 6800GS for 130 or a BFG OC'd 7800GS for 200. That's a +50% jump in price...