number 2 obviously. your only performance metric here is loading data from disk to RAM such as programs. it goes to number 2, hands down. you aren't putting the CPU to work so you cant say that the more powerful i7 could ever be apparent in this test, but that doesn't mean you should invest money into a new 775 build. what else are you using the machine for? you're much better off investing in the i7 platform now and getting an SSD when you can afford it. it'll last you longer than the 775 system.