I'm using a relatively basic cable I got from Amazon. (monoprice) Looks like 2 ft. long. I have not researched anything more "fancy" than that. I will supply a link for it if you want. All I can say is it seems to work, the quality [i]feels[/i] good, and it's a bit beefy (shielding, etc.).
I'm using one of these at the moment: