Hi Eric,
If you live in the USA, you might try this stuff. Although $ 18.00 per 50-round box is not "cheap" compared to 9 mm ammo, it is less expensive than the $ 25 - 35/box price you see at gun shows when you can find this ammo in .30 luger (aka 7,65 mm).
http://www.sportsmansguide.com/cb/cb.asp?a=97228