You don't say where you are, so that makes it a bit more challenging. If you live east, then Wolf commercial reloads from SFRC (site sponsor, look in the banner ads at the top of the page) are your best bet. If you live west, then BDX commercial reloads are your best choice. Be aware that Kurt can be very difficult to get a hold of some days.
http://www3.telus.net/public/kathomas/index.html
Price for either is a bit over $200/1000 rounds.
Mark