If you just want a stock for stock performance only swap, one option I have been looking at is these guys:
http://www.tirerack.com/wheels/Wheel...t+Grey+Painted
~12 pounds in 16" - teports of them breaking, but mostly from BMW drivers with heavier cars to contend with. Also lets you run stock tire sizes if that's your thing, or you can step up to the 17's.