Let the hive mind of Engadget get that for you.
"What is the best wireless surround sound speaker solution? I have a home theater where running wires is just not feasible. I have my own speakers, so I don't want a system that has speakers with integrated wireless. I've done a far amount of research and have only come across a few companies that even offer a reasonable solution: KEF, Kenwood and Rocketfish. Is there anything else out there? What do you recommend? Thank you!"
Well, I have Prime and live in Washington so I do still pay the Sales Tax.
However, it's still a crazy good deal if you buy a decent amount of stuff from Amazon, and when the holiday season arrives with no lines and no parking hassles and no Shipping costs for 2 day Air( other than the flat fee I already paid) it takes some of the pressure off of the Evil Holiday shopping.