The top oven is a regular oven. We debated going with a the microwave/oven combo from another brand but after reviewing the features it didn't seem worth it. From the products I looked at the microwave unit was also like a toaster oven. If you used the toaster oven you would not be able to use the microwave feature again for up to 2 hours. There were also a lot of reviews about electronic error issues for the brands we were comparing.