It really depends on WHAT you plan to do, if by light gaming you mean simple titles such as plants vs zombies or F2P games that aren't built to be graphics heavy most mac's should be fine as you can run windows via bootcamp. as for gaming on a high level and AAA titles i would say go with a windows PC, as they can be well rounded for both multimedia production and gaming, although macs usually come set up around the productive side of the computers industry. as for going the windows 8 route, keep in mind that a lot of people dislike the OS for very valid reasons, it takes some time to get used too and the changes microsoft has planned for it just makes that a tad worse in my opinion. if you go for windows based PC i'd say check to make sure you can get it setup with win 7 instead.