One more thing:
If you buy electric, make sure you don't get some plastic POS. Like was said.
What to look for in an Electric Pressure Washer:
Motor
Pump
Now, that is all you should see. No plastic shrouds, decals, anything like that. Less is better. Less to go wrong!
My electric only cost me $600, and it is an electric motor attached to a pump, attached to a metal base. Thats it. No hoses, no couplers, nothing like that.
I attach the hose, plug it in, and it works. Has for almost 5 years now. And I don't see it dying any time soon.
The one thing I DID cheap out on, was the hose. Now, don't get me wrong, I didnt go CHEAP, but I did get the "all-in-one" package at Princess Auto. WRONG!
So my nozzle leaks now, every time it gets me wet I remember why I don't cheap out on tools.