This has come up a few times recently with people asking about it. I'm gunna try these guys and see what the work is like, but just dealing with them over the phone initially seems positive - nice & helpful and easy to deal with.
They do offer a mobile service which is handy.
DentCraft Website
Telephone: +61 8 9330 3382
Facsimile: +61 8 9316 4250
Email:
stuart@dentcraft.com.au
I'll give feedback on service and work next week.