Last year I used a friend's pressure washer and really liked it.  It was a Sears Craftsman with a Honda engine GC 190 6.0
2800 PSI / 2.2 GPM
I've been looking at purchasing one of these two.$299.00  2 year warranty 
Homelite Honda 2700 psi 2.4 GPM
    160 cc Honda engine helps deliver optimal performance
    2,700 psi water pressure provides the cleaning power needed for tough jobs
    2.3 GPM flow rate helps ensure efficient cleaning
    TTI Axial pump is designed for tough jobs
    Tips quickly disconnect from the nozzle for easy changes between jobs
    Manual startup for reliable ignition
    Foam handle for comfort
    25 ft. non-marring hose helps reduce kinking and tangling and resists leaving marks
    Large 12 in. never-flat tires help provide long-lasting performance
    On-board detergent tank for convenient use of cleaners
    Consider using with an EZ Clean Surface Cleaner for fast and easy cleaning of large areas
    MFG Model # : UT80993A
    MFG Part # : UT80993A
 or
or$399.00 3 year warranty
Ryobi 3100 psi 2.5 GPM Honda Engine Gas Pressure Washer with Idle Down
    Powered by a 187 cc Honda engine
    Idle down technology for better fuel efficiency
    5-in-1 nozzle for easy spray-pattern changes
    25 ft. Power Flex hose bends like rope for easy management
    Maintenance free aluminum pump
    On-board detergent tank
    On-board accessory storage
    3 year warranty
    Roll cage frame design keeps engine protected in rough conditions
    Consider using with an EZ clean surface cleaner for fast and easy cleaning of large areas
    30 day guarantee
    MFG Model # : RY80940
    MFG Part # : RY80940
 I figure i won't notice much of a difference in power either way (one is bigger, one is smaller than what I used).  The 3 year warranty sounds good on the $$$one, as does the aluminum pump (no rust).   Any other considerations I should look at?  Leaning towards the Ryobi...
I figure i won't notice much of a difference in power either way (one is bigger, one is smaller than what I used).  The 3 year warranty sounds good on the $$$one, as does the aluminum pump (no rust).   Any other considerations I should look at?  Leaning towards the Ryobi...