As the best microwave overall, we chose the Panasonic Microwave Oven; it combines a 1,200-watt motor with a compact exterior. If you're looking to save money and space, the Commercial Chef ...
Panasonic's CS89 combination microwave (or, 4-in-1 combination steam oven NN-CS89LBBPQ as you might see it listed) costs £469.99 in the UK and is available from all the usual electrical retailers.