HD 1.5tb*2 +2tb for external backup
275gtx xxx (old but it can do FINE the game that i play..)
What is the price difference between the 2550 and the 2500? And is 100ghz in speed gain worth it (keep in mind you'll also be losing the IGPU that the 2500k has)? If your old (but still fine) GPU goes you've got nothing without the IGPU.