I have had very good luck with BFG commercial TA's on our Suburban. Truly a 50-60K mile tire.
http://www.bfgoodrichtires.com/specs/commercial-t-a-all-season/45.html
They also have a bit more aggressive version (traction)
http://www.bfgoodrichtires.com/specs/commercial-t-a-traction/48.html
-Jeff