Giga,
Welcome, I feel funny answering your email as I currently do not run elive, nor are a gamer...However...I have run elive in the past, and have successfully run the current development version of elive on my 64bit Dell xps1330 laptop.
What do I expect on your i7 based system with 6g of memory? A VERY speedy system! And I am sure you will have someone to comment on the gaming potential (which may not be as easy on a mac?).
BTW, did I mention that it would be speedy?!
God Bless
Doug