Yeah I thought of that... I'd need seriously long and SKINNY screws. The holes in the fan are kinda small. I'll look into that though.
$79 at wal-mart. I can fit twelve - 6qt Sterilite shoeboxes in there with room for some bottles of water to help with thermal mass.
Thing takes up a lot of room in my snake room. I need to clear out under that desk, I think it will slide underneath...