Thank you!
Finally we are thinking about get this configuration:
Receiver: ONKYO TR-NX626 (160 W/canal a 6 O, 1 kHz)
Center: Wharfedale Diamond 10.CS (20 - 150 W, 6 O)
Front: Wharfedale Diamond 10.1 (20 - 100 W, 6 O)
Surround: Polk OWM3 (20 - 100 W, 8 O)
Sub: not for now, near in time...