The one I want!

The X51 is just an awesum package from Alienware.
spec:
http://www.dell.com/in/p/alienware-x51/pd

upgrade options below,...
http://www.hardwareheaven.com/reviews/1414/pg14/alienware-x51-desktop-review-upgrades.html

the full package:
X51 + Alienware keys&mouse + wacom Intuos5 + dell monitor + JBL studio180 = Awesomeness.