I also got these from Discount Tire a little while ago for my F-150. They are hands down the best truck tire I've ever purchased and this includes Michelins.
I tow a 7,000 lb. travel trailer and they do a great job with the trailer out back.
I have a set of Firestone Winterforces I run in winter so I've never used them in snow, but they appear to have nice siping and little zig-zags on the rib portions.
They are also looking brand new still and this is my second summer with them. Here's a pic I just happened to take while on vacation a couple weeks ago on Lake Ontario: