Got my cans from Widener's. I'm a little upset about the cost of shipping them (38.50), but I guess it couldn't have gotten much better no matter where I ordered from (even though I was eyeing a few places online). I bought 8 .50 cal and 6 .30 cal. The .30 cal look almost completely unused, except for one that has a bent pull handle (not the latching handle), but I can easily live with that as otherwise they're like new. All seals are intact and there is no rust whatsoever. The .50 cal are obviously used, but all seals are intact and no rust internally. One can has oily residue in it, and another has a bunch of little metal bits (like pencil graphite? Weird). One can has tan spraypaint on one side and the top, so it looks kinda camo'd (which is kinda neat). All cans have exterior rust, mostly around weld seams/handle, and one has bubbled paint all over. I guess I need to pick me up a big ole can of WD40 and give them the soak! If I buy ammo cans again, I'll probably give another place a try, though.
Now I just need to hurry up and clean the .50s so I can put my ammo in them!