I purchased a XBOX 360 PRo in March. In November I turned the unit on and hit had an E74 error. I contacted Microsoft and sent it in. They sent it back and it still had issues...I sent it back to them and they sent it back saying it didn't have any problems. I called in and they sent me a new power supply suggesting that this might fixed the problem...it didn't. I sent the xbox in a 3rd time and was told by tech support that they replaced it with a new one... They shipped it back and it is lost in... read full review »