This is the deal you mentioned. It's a pretty good deal. Fair prices by current standards and the i7-2630QM CPU / HD 6770M CPU should get you good results in WoW:Cataclysm. 33% Coupon HP Pavilion dv6 Quad Edition 2nd Generation Core i7 w/Free 6GB RAM Upgrade
You will find better prices if you can wait till the summer - especially if you can wait till late summer and the back-to-school specials.
A higher res 17" 1600x900 would be a nice upgrade if you don't mind the bigger laptop.