Nice. Ken, If you use nice speakers, you can always use the speakers set by Wayne. (I mean) If you use his crossovers (you know what I am talking about right?) and configurations also, you always be O.K. If you want to change, let's say a driver, make sure it's of the same level (decibel-dB) output and type (impedance, frequency response, etc) than previous; or then change all of them (+ Xover if you want to change the frequencies) to have the same level output on lows and highs. If you have any questions where you want to go or experiment just ask.