Appliance Parts Pros has a nice selection of parts and supplies for dishwashers, ovens, refrigerators and other household appliances.
Overstock has a nice selection of large appliances.
The BigChill has got some really neat and unique ovens, refrigerators and other appliances in retro, pro and classic.
KitchenAid has some wonderful major appliances.
I've never heard of SMEG but they have got some really cool futuristic large appliances.
See the latest GE Appliances.