Looks good. I've got a TGC 2.5 and am leaning towards 275/60/20 Duratracs for my Yukon (mostly for price reasons vs. 305/55). Would you think that 275/65/20s would've been too tall for your set up? Where were your tires closest to rubbing?
width you will be fine, but I believe that is 34.3 tall which is a stretch. Id rather go 305/55/20 or 295/55/20 if I were you. The tire will still be 33 tall but the width will make it look much bigger. My one regret is not a wide enough tire, the height is more than enough. 34.3 will rub, mine rubbed on the inner liner, before some trimming.