Amazon has GE UltraPro 8 Outlet Surge Protector, 4' Cord, 2160J, Coax Cable Protection, Safety Covers, Black, 30523 for 10.25$. It has very good reviews and features. I think its a good deal.
It's currently out of stock though. After lowering the price from 11.95 to 10.25
GE surge protector [amazon.com]