Sales Bootcamp has a great one. Don't let the fact that it's free scare you away...it's really good. I know the founders and they're top-notch. http://courses.s

Sales Bootcamp has a great one. Don't let the fact that it's free scare you away...it's really good. I know the founders and they're top-notch. http://courses.salesbootcamp.com/p/sdr http://courses.salesbootcamp.com/p/sdr