Have come across some pages that are really helpful. Hope they help you too. 

http://members.pcug.org.au/~ppmay/cgi-bin/gaol/gaol.cgi

http://helendoxfordharris.com.au/archives/category/harriland/microfiche/wc_deserters

http://museumvictoria.com.au/discoverycentre/infosheets/passenger-lists-on-the-internet/

http://www.cornwall-opc.org/Resc/emigration_australia.php

Just another link in the chain

Cool Blog I came across:

http://sharnsgenealogyhints.blogspot.com.au/2011/05/ancestors-in-asylums-were-they-lunatics.html