JDK wrote:
And just like all the British a/c should be in the UK. Be a good way of seeing the CWH fit bomb racks to their Lanc, trying to 'repatriate' it to the UK.

Ah, but it's a Canadian-BUILT one, so it can stay there. And that's good news for you guys 'down under', as you get to keep all of those strange Mustangs that aren't P-51s too!
Seriously though, as James says, air travel has never been cheaper, or easier to arrange, than nowadays. It's well worth making that 'special' trip while you can, as, just maybe, in a few years there won't be the variety of ytpes or size of warbird shows that we're getting today.
Mustangdriver, if you do visit Duxford you won't regret it, and there are several other world-class museums within a couple of hours travel as well.