Laramie 20s ~32 lbs ea (last time I did a search - can't find a definitive one).
GY SR-As in 275/60/20 are 40 lbs per GY and TireRack
Total = ~72lbs per corner (32 + 40)
Rebel wheels ~? lbs ea (let's say they're really light; the lightest 17x9s that fit our truck aftermarket are ~24 lbs ea, assuming you don't go crazy and pay for multi-piece, forged wheels)
Toyo Open Country in 275/70/17 are 56 lbs per Toyo website
Total = ~80lbs per corner (24 + 56)