where are u put up? Take audition (W/F, mission, Q etc..) in your city before deciding on pricing.. minimum for a decent pair of booksheves will cost about 10-12 K, to sound good and move upwards to towers. example qacoustics 1010 5.1 package would cost 45-50 depending the discounts and availability... If required, please update centre and front surrounds only.. assuming u have onk speakers and sub....