i have kef 205 fronts. av8 arcam pro and arcam p1 monoblocks to power the front kets. i have marantz 9500 dvd. now what i want to ask is that. my rack is all ful of equipment. now firstly i will get a woofer which is also gonna be kef to match tonality. now for the center and the rears as i would be building a 5.1 in future so for them what kind of amplification do i need. i will buy the kef surround as well but what do i need with them . since i have monoblocks in the front so i dont wanna go for mmore monoblocks for the rears so cant i buy something like a all in one solution for the center and rears.