OEM or Retail, does it have to be T-bred or Palamino?
I think a T-bred 2100+ is going to be hard to find.
googlegear has a 2100+ doesn't say whether Palamino or T-Bred, probably palamino
http://www.googlegear.com/jsp/Produc...ductCode=80162
PS No point in buying a retail chip since it costs more, you don't need the fan and heatsink it comes with, and the warrenty it comes with will be viod the second you overclock it.