do the ylod fix as on ebay it will fix it for about a month giving you plenty of time to backup saves etc
http://www.ebay.co.uk/itm/PS3-YLOD-REPAIR-REFLOW-KIT-SHIMS-GOLD-THERMAL-COMPOUND-/320776310438?pt=UK_VG_Replacement_Parts_Tools&hash=item4aafc20ea6
it's the future of handheld
PS VITA = LIFE
The official Vita thread http://gamrconnect.vgchartz.com/thread.php?id=130023&page=1