We thought we'd see an improvement when we ordered a iMac 2011 i5 3.1Ghz. We've had our 2009 Core 2 Duo 3.06 since 2010 and expected the 12,2 to be a lot faster than our 10,1. This didn't happen. The newer machine was slower in performance and also benched far lower than expected. This in spite of having 16GB RAM. The older one has 14GB. It's not worth the money. Either go all out on the best i7 or wait. UPS is picking it up tomorrow.