Hi Peter,
Here is another option for you at Andrews, a Mak Cas 150mm scope on a Skywatcher EQ5 mount!
EQ5 mount/tripod (s/steel)
with Mak. MC150x1900 telescope, complete $699.00
Just a bit over the budget, but probably the best aperture / mount combo there.
EDIT: WOAH! I forgot something. If you want Grab and GO, the Ioptron Cube is at Sirius Optics and comes with a GPS GOTO mount with 50,000 object database and a 80mm ED scope.
SmartStar ™-G Series
Mount with #8402A Controller with 50,000 objects internal 32 Ch.
GPS and Tripod.
Price: $620.00
Code: #8802
I advise that you give Andrews a call as well as they are supposed to be supplying the Ioptron range very soon!
Chris