Eager to get your mitts on one of the Wii U consoles? Well, you can pre-order yours from the folks at GameStop starting today in order to be well-prepared for the November 18th release. The gaming retailer is also offering a variety of trade-in credits for those aging kits that you're itchin' to get rid of. You can expect to snag $50 for your old Wii and the numbers head north from there for Xbox 360, PS3 and more. Div