I cant answer teh gaming question, cause well i dont know what games you run, what performance you get now. So i cant answer if you will get a increase.
I do know that this is on par with XP performance wise
for me.
Windows 7 RC Build 7100 Review - Computer Forums
So i cant answer that question for you. You have to answer it for yourself. All the information is here and in the 3 review threads i wrote up. Nothing more i can say.
Personally i would. but that is
me.