Best off going to clark mate,whatever you do dont buy a 4hp as they need an awesome single phase supply and commomly burn out...Go for an 17/18 cfm 3hp on either a 150/200 litre air reciever.For best starting buy one which has a twin capacitor motor..When buying an air compressor the more you spend the better it should be at doing the job.....ERP are very good compressor which are built in Hull and maybe worth a call but they are not the cheapest but are better than some of the sealey and clarke shit thats about