Tire/wheel combo's for 04 Sierra Ext. Cab

[swyfor5]

New on this forum, been over on the 69-72 Blazer/Jimmy one for a while. Just picked up a 04 GMC Sierra ext cab 4 door 4x4. Came original with P245/75/R16 rubber and the stock chrome wheels. I don't really like the stock wheels, and also want to replace the tires next summer. Any pic's of what any of you guy's have done to upgrade in this area? I don't want to lift it, but want to upgrade to maybe a little bigger tire and a better looking wheel combo. Oh, failed to mention this rig only had 1580,00 miles on it when I bought it yesterday-SWEET! Any advise here is welcome, thank's! Post up some pic's this weekend!