Another vote for R250's.
I put a set on over a year ago and have around 15000 miles on them and they look like brand new!
I would do one thing different though...
Mine had 235/80/16 with 33" axle spacing.
I went with 235/85/16's a bit bigger in diameter. The problem now is my x-chocks are a pain to get in.
If I was to do it again I would go 245/75/16. They are about the same diameter as the 235/80...but a tad bit wider...which I have room for.