Well of course not. However in this article the age old debate is put to rest. A $100 dollar HDMI cable does not carry a better picture than the $10 generic version from ebay. The article is quoted saying:
" The reason is this: when dealing with DVI and HDMI connections and digital surround audio connections, you are working with a "digital" signal, as opposed to the "analog" signal carried by component video cables and standard audio cables.
When working with an analog signal, the single greatest factor in determining the quality of the signal that reaches your TV or speakers is called the "signal to noise ratio". This is a measurement of how strong the signal is relative to the background "static". This ratio is affected greatly by several factors, including cable materials and quality.
In the case of a digital signal, though, the game is different. Signal to noise ratio doesn't factor in anymore. The only thing being sent down the wire is a stream of ones and zeros. It doesn't matter if the ones are a little fuzzy, because they're still going to be read as ones regardless."