Been visiting site for awhile right before I bought my new truck, GMC 2500 hd sle, in June of 2006. Love the truck and the site. Only thing I've done to it yet was put in Line-x liner after reading recommendations for it on this site. It was wise advice as it is awesome spray-in bedliner. Looking for some stuff to add to truck, so bring on some more good recommendations such as suspension kits and wheels and tires( about 6 inches) and will it void my warranty. Truck has 12000 on it and no problems except for loose shift lever and a plastic sensor cover that was cracked. They were both fixed at dealer.