Nope, nothing strictly traditional. However, Scheels, Cabelas, and Bass Pro Shops (Council Bluffs) are a GREAT visit, have tons of cool things to see and do, and offer a very limited supply of traditional archery gear. Also, Full Draw Archery is a first class archery and pro shop complete with a very nice indoor archery range.
When you come to town shoot me an email and maybe we can shoot a bit. There's a nice outdoor range and timbered walking course with about 30 target butts located just north of Omaha. Nice place for stumping or roving.