I bought an adapter for my Wii that allows me to plug it into either an HDMI or DVI port.
For a LCD -- especially the cheaper ones it does make a noticeable difference. You won't get t
Eh HD -- to state the obvious -- but what it does improve noticeably is the colors. It's also sharper than component that one might ore might not notice.
It also upscales, which really isn't that noticeable when further back, but up close it does make things better. Circles as an example are less pixelated -- just a bit grainy.
I bought it so I could use my extra LCD for the Wii, since my wife is usually watching TV on the plasma -- which the Wii looks great on!
What this adapter did, was bring almost that same level of color to my LCD that I've grown accustom to on the plasma with only the darks not being up to spec --- they're grayish instead of black.
Anyways, here's a link. It was well worth buying IMO. If it's something that interests you and you do get one, just make sure it's well ventilated;
HDMI Upscaler for Wii