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!"
Average cost to the retailer for 6 foot Monster cable of any type.
$6 or less
Average cost to the consumer
$60 or more
Average margins for store branded cables are the same or worse.
When in doubt, that pimply faced clerk knows nothing. They probably got hired yesterday and stuck on the floor this morning with their only training being "Sell our 'services' and attach top dollar accessories, our customers leave spending less than they intended to, don't let them"
Do your homework, price shop online first. Be sure you know enough to know if the sales clerk is full of crap, just because they aren't on commission doesn't mean they have no hidden agenda.