Suggestions for a power strip or conditioner?

It sounds like you're not looking for power reconditioning. In that case the Brick Wall PW8R15AUD Surge Protector has 8 outlets with separate filtering on each duplex.

http://www.positive-feedback.com/ambackissues/brickwall.htm

It's highly recommended by fellow members.

Check out furmansound.com to see how many options there are.
They range from conditioners to power strips with AC line filtering.