hi just done a deal to buy this welder anyone know if these are any good?i use murex wire at work and know its good stuff but never used a murex welder,ive been welding 15 years and want to start making fencing and gates in my spare time so need something with a bit of power.any opinions would be welcomed.http://cgi.ebay.co.uk/ws/eBayISAPI....K:MEWAX:IT&item=280250130935#ebayphotohosting