Use an ST90 then and just practice some throttle control. The 60, 75 and 90 all share the same cases and weigh pretty much the same.

Edit - If you are willing to order from Canada, the mail order shop I use is showing them in stock. You might want to check first, I have had items shown as in stock back ordered before. Their indicator is usually correct, but not always...

http://www.greathobbies.com/productinfo/?prod_id=SUPG75


Mark