Eric, this place is in Austin.
http://www.heliosglass.com/index.htm
They rent their equipment. If I remember correctly, it's Paul Tarlow's place. Met him years ago, nice guy.
Don't see why you couldn't go in and use their saw.
And man....I want to go into the glass cutting business! I have 2 wetsaws in my shed just sitting there waiting for me to get rich on them. haha