I want to know what's the best way to hook up my home theater to get the best performance out of everything i own.Here's a list of what i have.

1.)52in LCD with 3 hdmi ports and 1 optical port.
2.)HDcable box with 1 hdmi port and 1 optical port.
3.)PS3 with 1 hdmi port and 1 optical port.
4.)A/V Receiver with 3 hdmi ports and 6 optical ports aswell as the usual inputs and outputs.

Also to add does anyone think i should get a power conditioner?

LOL i know that but be more specific HDMI to what or optical to where?you know what i mean?