Spec me a new case and PSU

[Corssair]

Fractal Design Define XL
http://www.overclockers.co.uk/showproduct.php?prodid=CA-011-FD
+
XFX 750W or 850W - Modular.
http://www.overclockers.co.uk/showproduct.php?prodid=CA-001-XF&groupid=701&catid=123&subcat=1497

"A future combo" - Large case, great PSU