Most home improvement stores have wiremold, which does what you describe, usually in the electrical area. Or, you can go to a place like http://www.cableorganizer.com that is where I bought my cable raceways for my HDMI and Component for my projector.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85