I have been riding a 2004 Cannondale R2000 and a 2004 IM2000. Made the switch to the carbon p3. I've had the bike for nearly two months but have been building it up and riding the Cdales. Went for the 35 mile maiden voyage at lunch. Great ride and the position is awesome on the bike. Not even comparable in my opinion to the IM 2000. And, IMO, those who say they can't tell the difference b/w a carbon frame and Alum frame are crazy. Totally, different rides. Looking forward to the season. OBTW, couldn't tell if I was actually any faster b/c my computer stopped working somewhere along the ride. Sure fell faster though. I know I looked faster :).