The only problem I had with this is that when I played it on the mac, the battles where to fast to use the powers making me use old armor for alot longer then I needed to when I played on the PC
maybe you could use somesort of fps cap?
Also people have been complaning about saves, how about a feture that will let you save your data to the decktop? that was it wont get rid of when the cookies are cleaned.
and we all love vindaloo