if you want for conroe to come out on the 24th of this month, AMD prices are goinhg to plummet. that's when i'm buying my dual core FX55 (currently 600 and change, expected to be upper 400s)
Check this out:
http://www.tfproject.org/tfp/showthread.php?t=106281
According to this the 3800 should be 150 (and thats for AM2 and 939)