What about the new Schwin Madison? Its got decent geo and the frame seems ok.
Also the cheapish Masi Special, saw some in SF recently. Looked ok in person. See this thread for more info:
http://www.bikeforums.net/showthread.php?t=260084
Theres a really good thread about cheap off-the-shelf fixies here, full of useful info:
http://www.bikeforums.net/showthread...ghlight=budget