I see your point with the sq setups. I still think a mid ranger driver or 2 in the rear wont hurt. The thing im concerned about is only having a set of components up front. (2 mids 2 tweets). Is this adequate for proper sound quality? 3 sets up front would absolutely work. But im concerned when i see someone ask if they need rear speakers when they arent amping the front ones and only running them off a head unit. Those 2 front speakers are gonna be kinda week then arent they?