Its way over your budget @ $559, but I have been having an enormous amount of fun with this mount:
https://www.myastroshop.com.au/produ...p?id=MAS-030K4
Some results here:
http://www.iceinspace.com.au/forum/s...d.php?t=117246 and here:
http://youtu.be/vmWqUQbU6zA
It is only alt/az, but I plan to build a wedge for tracked star shots. It has made a great travel telescope too with a 4" Vixen cassegrain attached.