the x3's are selling well and there won't be many in stock. you're likely to have to order. if you don't like the way you're dealt with, call one of the bimmerfest.com sponsors. there's a guy named adrian avila in south atlanta who is well respected.
a performance center delivery means picking up your car at the spartanburg factory and having some driving exercises at the performance center nearby. it's a blast. you buy from any dealer, but do the pickup in so. carolina.
see my post here:
http://x3.xbimmers.com/forums/showthread.php?t=640362