Stick with 8" width. When you air down, you will have more sidewall flex which is less likely to bust a beed on the trails. I don't like the look of 10" width on a 12.50 tire. Too much 'poke' for me.
~Todd~ 2004 X 4.0 5 speed---SOLD
4" Lift, 4.56's, 33" Duratracs on M/T Classics
RR SYE, Tatton CV, MML, BL, TT, Dynomax Exhaust
Hella Lighting: Driving, Fogs and H4 E-Codes
... and NEVER will be