Room size 12x15(Not seperate HT room but my living room)

Amp Yamaha5440 (65x5)

Sub---Rava or svs 2531pc

Can Do: 4 M40 with vp100Center

M50 fronts M40 Rears VP100 center

4 M50,s VP100 Center (I think this might be TO MUCH)

60%ht -40% Music

Recomendations?? (Nothing that requires stands please)