Monster cable devotes more dollars towards marketing and legal expenses than they do to improving the product. You can get as good as, or even better, product for a lot less money.
I don't mind paying Hyundai prices for a Hyundai, but all the marketing in the world can't make me think it's a Ferrari by charging Ferrari prices for it. But, a lot of unsuspecting people do fall for this scheme.
Check out Blue Jeans Cables for one.