Just received my new 15" MBP with tb and I am transferring a lot of files from my old system. Since its taking a while, I have been walking away only to come back later and my MacBook is off and I have to start all over again. It has done this about 4 times already. I can't really bring it back since I ordered it custom (460 pro & 1TB) and it would take prby another 4 weeks to get another one. Has any other people experienced this issue?