|"I learned that there's no sense using an APU when I'm using an Nvidia card so I want to change them'|
Where did you "learn" that? Plenty of people have systems with an APU (both AMD & Intel) but upgrade to a graphics card rather than using the GPU integrated into the APU. And before there were APUs, plenty of people were doing the same thing with motherboards that have integrated graphics.
Question(s): how much RAM do you have & what speed is it? Ideally you should be running DDR3-1866 or at the very least DDR3-1600. Have you considered overclocking your APU rather than replacing the whole sha-bang? Your APU will easily do 3.0GHz+
The FX-series are socket AM3+ CPUs & I believe they will be the last of the stand-alone desktop CPUs from AMD. You might get a little better performance (depending on what you use your system for) but you will have no future CPU upgrade path. You're going to end up spending a wad of money on a new board & CPU, plus you're going to have to go thru the hassle of reinstalling Windows & all your programs again.
message edited by riider