I took a look at my girlfriends 1999, or 2000 alero in the shop the other day, and taking a look at the front brakes(they looked to be at least 11.5" diam), I noticed that the calipers were PBR, aluminum, single piston units. the best part is that they had a VERY similar caliper carrier to the 1LE parts we've been waiting for. The center to center of the mounting holes appear different(wider), but since this is a production vehicle, maybe parts might be reasonable to buy, and with a different adapter bracket, they can be retrofitted. Just a heads up for you guys that might have access to these cars/parts cause I didn't get a chance to take any measurements. I doubt my girlfriend would appreciate me taking hers apart.....hahhah. A brake job is coming up in the future, so I will take some dimensions down and post what I find.