Troutman, over the years I have found that upgrading video cards has a much more effect than processors in regards to gaming upgrades. I have heard the GTX 460 hits a nice performance versus price point right now.
http://www.anandtech.com/show/3809/n...he-200-king/19
I also tend to like solid numbers for some reason and this thread is nice to compare CPU's/GPU's specifically for Starcraft:
http://www.techspot.com/review/305-s...2-performance/
If you end getting a new machine, I'd recommend a solid state hard drive too:
http://www.youtube.com/watch?v=T_Jz7IMwBt4
(I'm not an expert but more of a dabbler in this field though.)
