I bought a big box store consumer grade pressure washer, and a year later it had a leak and no parts were available, so it had to be junked. So I bought and earlier version of this one in 2009:
Cam Spray 1500XS2 Semi-Pro 1500 PSI Electric - Cold Water Pressure Washer 120V 1-Phase
It's still working great. Parts are available, and the manufacturer's tech support is very good, knows their products and how to fix issues, and very patient. I'll never by big box store junk again.
Works very well if you use it where power is available, and no engine to maintain.