Now that has me thinking. I used to have a table top turbo convection oven that got hot fast, had a decent timer and temp control. No to mention the glass sides would make viewing the coating to see when it went glossy would be a plus.
I've seen one unit where the lid is the heater and sets on like a pot lid, and another where the entire top lifted off a flat base. I can't help but think if you stood up the boolits and lowered the oven over the work you would remove the possibility of knocking them over during transfer into the oven. I may just have to buy another turbo oven!