Radioshack has a set of multi-system Gigaware cables for the Wii, 360, and PS3 that retail for $14.99. I bought them about six months ago and so far no complaints from me.
[quote name='shadowkast']got mine off monoprice.com, work great for $6 or whatever I paid for them[/QUOTE]
Yup, I got mine at monoprice also, been great. No problems at all.