Drive it, sitting in the driveway is about the worst thing you can do to a vehicle, they rust up underneath pretty fast. My 06 is beginning to exhibit the same issues at 180K miles, although drive mine about 70 miles every day. Left front caliper has one pretty well seized piston (out of 2) and my right rear rotor runs consistantly 50degrees hotter than my left rear so I think its on its way out as well. Calipers on order and when they get here I'll put them on, then rebuild the old ones for spares. Just hope I don't burn up a fairly new set of Akebono Ceramic Pads before then.