A used Voyager 17 with Hinterberg stretch frame and stitch regulator would cost around $2,500 to $5,000 (less without stitch regulator). Check used websites for machines and frames that may be available in your area:
http://www.longarmuniversity.com/machines_for_sale.htm
http://www.houseofhanson.com/formerlyowned.html
Also, there are some Voyager/Hinty setups for sale on the following Yahoo group (look at their database online):
https://groups.yahoo.com/neo/groups/...gQuilters/info
You need to join the group in order to see what is offered.
Voyagers are no longer being made, but refurbished machines (and new Hinterberg stretch frames) are for sale on several websites:
http://hinterberg.com/
http://www.sewingmachinesplus.com/vo...ng-machine.php
(For sewingmachinesplus, be sure to Google for coupon codes and sales, which can be quite good.)