The radial Goodyears are a decent tire. I forget their weight ratings, but I believe they're a load D tire. The Michelins, however, they're a pretty extreme animal
I've had the XZLs and the XLs. XLs are loud, period. Large, directional, bulky ass tread blocks. They look great, but the XZL is a way better tire to me. If I HAD to run XLs, I would invest in a tire groover and cut some reliefs so they wouldn't wear so bad from the tread not flexing...sorta like a tractor tire thats been run on the asphalt a lot.
11.00R-16s are rated at
4805 lbs per tire at 80psi.
Mine measure something like 37.75 or so. Everybody always gave me crap about the max speed limit being 62mph on them, but they're rated at full weight, max inflation. Normally there would be 8 of them on an LAV that weighs 32000lbs +/- a little. That's quite a bit different from my 6400lb pickup truck. I think the speed limit is really more of a liability against heat build up and blow outs.
If you ever wear a set out, you might as well get a new truck because its liable to be wore out too. As long as your alignment is good and they wear evenly, you should never have much of a problem with them. I've hauled some pretty heavy loads with mine and I usually run 45psi up front and about 40psi in the rear. I might bump the rear up around 50-60 if it's really heavy.
Mine ride great..they always have. They're freakin Michelins! Not loud at all as long as they wear evenly and don't chop out. They don't sway much even though they have plenty of sidewall (which isn't as thick as you'd think!). They're kinda prone to being slightly out of round and they're a tad heavy. However, they ride great and balance very well provided you have them on a good rim. My prefered method of balance is about 10 oz. of high(er) density (i.e.: green, 10k count) air soft BBs. You can get the big tub of them from Wal Mart for like 15 bucks, divide it 4 ways and go on about your business. I've done regular rim weights, sticky weights, and most recently liquid balance....but believe it or not, the BBs were the most effective.
The best part is, if you have a 3/4 or 1 ton truck, you can just rock them on the stock rims if they're 16s. I'm running mine on 16x8 Weld Outbacks and they're probably one of the highest capacity rims I could manage to find and the tire still dwarfs their load rating.
Did I miss anything?