Try this, cheaper 10" Dob by $50 and you'll have it 2 days.
http://www.andrewscom.com.au/site-section-10.htm
Their dobs have increased in price over the past 2 weeks by $50 but they also offer free freight.
The mirror quality is pretty much identical to the Zhumell

although the mount will probably be black and not white (as in the images on the Andrews website). If you're after a black OTA in particular then you'll need to go for the Zhumell.
Cheers.
ps I don't work for Andrews, I don't supply them or know anyone that works for them.