I've had good results with all the maltsters I've used. Off the top of my head I know I've used Crisp, Breiss, Weyermann, and Rahr recently. Rahr 2RP at my LHBS is like $40 a bag with our club discount, the Crisp MO I think goes about $60.
Let's say you're making average beers (1.040 - 1.060)...