I doubt it'll drop in price much further. Its new competition, 4850, costs $200. Plus g92 8800gts is being phased out soon. The more expensive 9800gtx, which use identical parts and offer identical performance, but has a higher numbered name and fatter profit margin, will linger longer.
As for mir, expect 1-3 month. That's how it works. They want to keep your money as revenue.
FXvideocards was almost unknown a month or so ago. There seemed to be some fishy stuff going on (looked like the site owners pimped their site on forums to get the site rolling). But, They have had some amazing prices on Zotac brand cards. I ordered an 8800GTS 320MB for $88 shipped and no rebates. Their order conformation/tracking info was very good, the card arrived quickly, and it worked. So priced right, I would buy again from FXvideocards.