Pookin

Worth a look as breaks down by city.

http://salary.monster.com.au/

As is Hays' 2003 salary survey:

http://www.hays.com.au/salary/index.asp

and:

http://www.wages.com.au/

No doubt I'll soon be put right about the 'reality' of the situation(!), but if you use this in conjunction with the cost of living calculator,

http://www.gomatilda.co.uk/calculator/index.cfm

you can get some idea of what your standard of living may be like as compared to the UK.