you should have a buget, in mind , at the moment their a loads for sale second -hand which would do at present , if you stick with the main ones like the one above or altec , prochem ,or others top brand makes , times are hard for every one at the moment , hench why theirs so many up for graps , also be very aware it a very hard and tiring job , thats way may start up ,then pack in ,they never relised it was hard gaft , even with the best equipment ,