Hey guys, just got a 2007 Suburban LTZ 4WD, and am going to sell the '02 Z71 'burb. I put 195k on the '02 and looking forward to the '07. I did a search, but couldn't find a definitive list- What are some of the favorite mods/upgrades on the '07 and up? I've read about a dash info center upgrade, the headlights/fog lamps thing- what else is good to do with these? Any specific maintenance things to watch for? Thanks for helping me get the most out of it!