I've only purchased Gateway and Dell before, but after taking apart my computer, even opening the PSU (to find a lizard, that must have escaped and wasted my time) I feel I'm up to this now.
Mostly because I want to up my graphic settings (I have a Dell with a GTX 560, and a Core 2 Quad Q9650) and because my computer is acting up (long story short, I have to unplug the Ethernet cord to turn on my computer).
I hope to purchase these parts in a week or less. Preferably from reputable sites like Amazon and Newegg (?)
I won't overclock anything yet for a while. So the stock fans should be fine until then?
I already have a Seagate 500GB SATA to put in the new build, and 2 Monitors.