I looked at HP's website and from what I see I can't build a computer from them with a i7 2600k built in. Could I build one based around what I'd need for a i7 2600 and buy an i3 since I'll be getting a i7 2600k at the same time if possible? Also, if I did this could I swap the processors and drop in a heatsink? I'd be using it to play stuff like WoW, do stuff online involving YouTube and guitars, and I might do video editing, which is why I want the i7 over the i5. If I did this would it be successful and would it overclock well?