I bought 15 boxes from Sportman, came out to around .30 a round or so. I also noticed it is still available here for under .31 a round shipped to me. While I reload I figure this would be good plinking ammo and I will check out the brass vs the Starline I generally use.
http://www.selwayarmory.com/sellier-bellot-10mm-auto-180-gr-full-metal-jacket-box-of-50.html
http://www.selwayarmory.com/sellier-bellot-10mm-auto-180-gr-full-metal-jacket-box-of-50.html