Be prepared. You will receive a lot of feedback on your truck. It has very little haul capacity thus significantly limiting your camper selection. I suggest you pick out a camper you would be comfortable with and then match it to a truck. There are several threads here than can give you great input. And, you're going to love TCing.
'11 GMC 3500hd SLT DRW D/A 4x4 Spray-in, Air Bags w/comp & controls, TL, Superhitch, 48" Supertruss, 9.5t Warn, front rcvr, Fox Shocks, '11 AF 1140, DB, AC, Gen, Solar, Thermal Windows, Wardrobe, Rear & Side Awnings, 18' Lund/40hp Honda 4 stroke