Our 2008 iLounge Buyers’ Guide Contests end tonight at midnight, so if you haven’t yet submitted an entry, you have until 11:59 p.m. Pacific Time tonight to enter for your chance to win. We’re running two separate contests for our upcoming 2008 Buyer’s Guide — the Holiday iPod Photo Contest, and the iPhone nano Concept Contest. Thanks to the contests’ sponsors, Ultimate Ears and Geneva Lab, we have $3795 worth of goodies ready…