Surge Protection?

Could anyone please advise me on surge protection devices with or without conditioners.

My area has numerous sags and spikes routinely and frequent weather related electical service interruptions. I have the need for twelve recepticles: two amps, DSS receiver, three Martin Logan speakers, Sub, CD/DVD, Preamp, Pre/Pro and television with a spare for future add-on.

Just last week I counted seven surges/sags due to bad weather. Two more today...I need help with this ominous situation.

thanks...