Today Valve announced the details of Steam Play on the PS3, I was originally going to pick Portal 2 up for the PC, but after reading the details, I’m getting it for the PS3. Do you want to know why? Well, it’s simple, when you buy the PS3 version you get the PC/Mac version for free! I’m not sure why Microsoft didn’t allow this on the Xbox 360, seems like a no-brainer. Click the source link below to read the press release.