Well after a bit of a delay due to ill health I have finally resurfaced.
I have also used my Tax Return (Thanks ATO!) to fund my hobby for the extended future with these:
http://fslaser.com/products/lasers/hobb ... obby-laser
and one of these with a 4th axis incoming:
http://cgi.ebay.com.au/ws/eBayISAPI.dll ... K:MEWAX:IT
I'll be scouring the interwebz for PDF's of various scratchbuild tanks and other builds to see what that laser cutter can do.