The good news is I'm only expecting a single clutch of eggs at the moment. I had hoped when I purchased it that I would still be able to use it next year when I'll be expecting at least 3 clutches, but seeing the size of it I think I'm just going to sell it and build my own once the current job is done. I've got it plugged in and warming up (with a zoomed digital thermometer monitoring the temps as well), so at least I know it works.
The new problem is going to be getting my vermiculite from the post office before they return it... Curse regular working hours...