[lambdaelite]

> Also, having such a small volume means that most of the heat will escape when the door opens...

Supposedly, there's an air curtain to help with that problem.

> It seems like a perfectly acceptable (albeit pricy) alternative to a toaster over, however.

It may be an alternative to a toaster oven, but is that a good thing? Even the best toaster oven isn't very good, if you go by testing by Cooks Illustrated for example. I don't see how this one can perform any better given, as you point out, the physics limitations of a small oven.