Henrob/ DHC-2000/ Cobra torch.
http://www.ebay.com.au/itm/222413549615?ul_noapp=true
I've got 1 of these, but I don't use it very often. At Tafe I just use the regular 0.6 tip oxy torch but as Paul said here, it's what you're used to.
http://www.viczcar.com/forum/topic/10009-oxy-welding/
I imagine I'll use it a lot more often in future though, when I finally get my own Gas Tanks.