Reader Find: A Wal-Board Circle Cutter

Eli writes: “How much do you not get from the name? This tool cuts a perfect circle in drywall every time. It’s the only really important tool for installing can lights in a remodel.”
I have to admit that I always wondered how that was done. I’ve used tools like this for marking, but not for direct cutting before.
The best part: They only run about $12. Sounds way better than mangling the board trying to do it by other means.
Street Pricing [Froogle]
I forgot to mention you should have a jab saw as well……