A while ago Mac released its new range of computers with intel cpu's. I love macs, they are just so quick.
This new break-through is great and has released a whole new market for mac.
1) Well to get PC games working on it you need to make sure your Mac has an Intel cpu, not one of the power pc's.
2) Download
Crossover, get the 14 day free trial, and if you like it, then buy it.
3) Download steam and open it in Crossover. then, download all of the games.
4) Play all of the games that you want. Here is a video running Counter-strike: Source.
YouTube - Counter Strike Source in OSX via Crossover Mac on a Macbook
I know there is going to be a lot of negative discussion about macs
.