2012 Suburban 2500 LT 4WD, one owner (northern states), ~150k miles. It's been sitting in a Ford lot for nearly 3 weeks. Figured with all it's options...second row buckets, DVD/Nav, integrated brake controller, etc., it would get bought up in a snap. These don't usually sit long since they hardly ever pop up. Wondering maybe if something might be wrong with it. Talked to dealer and they said it's "perfect". Uh...ya, gonna run it over to the closest chevy dealer and get it inspected anyways. Other than rust, leaks, and running it through its paces, anything in particular to be on the lookout for or just general thoughts on GMT930 platform???