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!"
http://www.bestbuy.com/site/olspage.jsp?skuId=8632544&st=22%22+Insignia&lp=1&type=product&cp=1&id=1194052042092
It's now $299.99, but I believe this is the newer model. I know it was on sale when we bought ours.