I had 15x10 in aluminum rims that where coated, not polished. The edges got beat and the coating chipped, after a few years they wouldn't hold air and looked like ****.
I now have 15x8 steel wheels and they have held up much better but seem to be more difficult o balance.
I JUST got a set of AR 172 (60 bucks for 4), they are 15X8. I will have them mounted this weekend.
Whether you go steel or aluminum, if you wheel hard get 8" rims if you have a 12.5 wide tire.
As far as balancing and power I will know more in days to come.
I ran 3.73 with 33's for a while and it sucked, I have 4.56s now.
01 TJ, 34 Super Swaper 34x10.5 bias, Winch, locked, belly up, some armor, 4.0, 5spd