On a standard TV you would still notice an improvement in picture quality, such as less bleeding of colors. Also, if you have an EDTV you would be able to get 480p instead on 480i with these cables. Just be sure your TV has component inputs first.
[quote name='Bagel Fuzzynuts']Does monoprice carry a Gamecube component cable as well?[/QUOTE]
No. I've never seen a third-party Gamecube component cable.