lidl have the super wash 160 on sale soon for £79 , i bought this last year for £110 and its a very good bit of kit for the money very powerful and well made + its got a 3yr guarantee. it has variable pressure lance so you can turn it down so not to damage your car.
http://www.lidl.co.uk/uk/home.nsf/pages ... asher.ar10
its worth the money if you have been thinking of getting one, and then you can buy a foam lance and start snow foaming yor car with it.