I would suggest a 10" dob - I like the looks (rigidity) of the Meade Lightbridges Bintel sells for $899
https://www.bintelshop.com.au/Product.aspx?ID=7112
or the classic tube design for $599 with 3 eyepieces
https://www.bintelshop.com.au/Product.aspx?ID=6993
over the collapsible Skywatcher design Andrews Coms sells for $699