The typical stuff I saw at Lowes this weekend was 0.08" thick. I was also a little surprised by the way the price was scaling for larger sheets. Also the only 0.125" thick stuff was in very large (and expensive) sheets.
Are there other stores that you guys usually get the stuff from? I'm looking at a one player stick that at the smallest will need an 11"x8" sheet. At Lowes thats going to make me buy a 24"x14" or some such.