what power conditioner?

I would like to know what type of power conditioner do you guys recomend for a hometheater?What I have in mind to achive a better video quality and a better or sweeter sound, like more detail.also I would like to power my amp and surge protect my whole system.My system is the following.marting logan ascent front,theater center,aeon surrounds.B&k reference 7270 amp 200x7,reference 50 processor.mitsubishi hi-def tv.onkyo dvd player dv 939.monster cable M1000i rca interconect.

regards,Armando