Hello I am experiencing several issues with my brand new 15 inch MBP 2.7 512GB 455 Graphics. The first issue i've noticed is the the bottom half of my screen flickers when logging in to the machine. The second issue i'm having is that in order to shut down the laptop i'm having to force quit each application manually. Without doing this selecting shut down does nothing. I have also noticed a few white flickers with youtube etc. I know there has been reports of graphics issues but is anyone else experiencing issues like this. I am still within my 14 day return window but wanted to see if this issue is widespread or if only my mac is affected.