The Rival MT660 Microwave/Toaster Oven Combination is designed to serve
as a replacement for both a microwave and a toaster oven by combining
them both into one unit. However, owners of the MT660 microwave/toaster
combo oven report that it builds up condensation easily, and like most
other microwave toaster oven combos, it lacks the full effectiveness of
either. The Rival MT660 is compact and convenient, but not capable of
outperforming separate microwave and toaster units.