Get it from Andrew's period....best and cheapest place to buy....
http://www.andrewscom.com.au/site-section-10.htm
However that said Bintel's service is second to none. But if you are going for an 8" dob, for not much more you can get the 10", which buys you much brighter views. As they say the 10" is the smallest of the large scopes
Darren