The Toshiba family of microwaves, especially the EM131A5C-BS model, ranks near the top in best-performing microwaves, producing 1100 watts of power when heating something up.
During a test, this microwave was able to raise the temperature of water from 43°F to 122°F in 45 seconds.
All-round good choice for your house in case your current microwave breaks or you just want a newer and/or more powerful microwave.