I know that more 45nm processors are coming out early next year, but I wouldn't have had much time to build a new PC then and since the Q6600 was so cheap I can always upgrade it some time next year if I want to. I especially bought an X38 chipset motherboard because it supports PCI-E 2.0 and 45nm processors. All the stuff came in about 4 huge boxes full of plastic shock absorbers. I ordered it on Sunday afternoon with next day delivery.

Building your own PC is always going to save you money if you buy from the right places, but make sure you know how to build a PC before you spend loads of money on the components.