I short some but not often.
DDSS : Testing resistance made from falling knife made back in june 07,,if it breaks I look for gap to be filled
ICO : Testing 7.00 resistance for second time since it broke thru 6.50 resistance made back in July,07,,blue sky ahead if it breaks
WCI : Seems to be holding support @4.50 and might be ready to test resistance @6.00
DYAX : gapped up yesterday and traded half way between yesterdays open and close today,,could see another up day
SOLF : has found support @15.00 and is trying to break resistance @19.00