Free: Contests & Raffles.
Dan, there is some good info avail at the Cabelas calling seminar.. I would suggest you check it out if you can make it.
Don't over look lead though.
Dirty Dan, what SxS do you hunt with? I just patterned mine and got some great results. What are you shooting? I may be able to point you in the right direction. Shot / chokes/ etc.