the a10 its just an athlon CPU...if you already have it, you could see a lot og agresive changes in FPS, and that kind of stuff. its not a bad CPU its just it has the same architecture as the AM2+ cpus... very old, no L3 cache...
by the other hand, if you can choose, and you are on budget, well the pentium 3258 seems to be the best option right now...