Wondering if anyone has installed LR3 and noticed that it is slower than LR2. My takes longer to render pics and to make changes on Develop module. I have a Pentium dual core 2.2Ghz with 4 Gb Ram, but on a Win 7 32bit O/S. I was wondering if I upgrade my ram to say 8Gb and put on the 64bit Win 7 if that would help? What are others running??