What kind of surge protection (if any) are you guys using for your LFM-1's or other powered subs?

I am considering a Monster Subwoofer PowerCenter™ SW 200.

http://www.monstercable.com/power/productPagePower.asp?pin=1218&LastPage=Home%20Theater%20Power

They can be had for about 30 bucks + shipping on Ebay.

Thoughts?

Justin