Try Midway - - they are a good outfit to deal with if you reload. Here's a link:
http://www.midwayusa.com/rewriteabro...*670***9013***
They list brass from Lapua, Norma and Winchester. I use Winchester brass to reload for my .30-06 and it is fine, but if you spend the money on Norma or Lapua you will probably never want to go back.