has anyone used this stuff and is it any good or is it crap

http://www.ebay.com.au/itm/300906462521?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Dunno Steve. Be the forum test dummy and get some and try it out. If it turns out to be god stuff, let us all know and you will earn brownie points from the rest of us.