do you have like a vga converter box or a wii vga cable?
how much did it cost you?
i just have a regular wii vga cable. it's the mayflash one that also has output to ps3. i got mine for $19, but now it's even cheaper on eBay ($17).
I do have to comment that Melee is like the only game I own that looks REALLY good on it though. Something about the shading on other Wii/GCN games makes the colors look a tad flushed (tried LoZ WW, OoTMQ, TP, Barlw, and both Super Mario Galaxies). They still look good though, if not a tad jagged. <_<
No lag though, but that might be because I have an old LCD and not a bigger newer one that needs to downscale or upscale.
Something to consider I guess. It doesn't output 480i but you can just hold B and mash A for Progressive Scan on most high-end GCN games, so no problem.
PS3 connection is meh. I have a cheap HDMI cable so it's not necessary.