So I went to Wal-Mart the other day to check the prices on their heat pads. for about $11.00 I got a pad thats about 10'' x 12''. The only problem was that it had an auto shut-off feature. I had a plan however...Long story short I cut the temp control terminal off the power cord (Inside is the mechanism for the auto-shutoff as well as tempature cotrol i.e. Low/medium/high), stripped the two wires, twisted them together, and electrical taped them up. I have been running the pad with a light dimmer and have obtained consistent temps for over 48 hours.
I'm not sure how safe this will be in the long run, but I have some flexwatt on the way. In anycase, I thought I would share my idea.
-Austin