The image quality is ok, but not stunning. I haven't seen the official Nintendo cable so I don't know if it's better or worse than that one.

I do have a major gripe, and that is that the audio and video connectors are too close to each other. If your video cables need to connect to your TV and your audio needs to go into your amp, they have to be within about 15 cm of each other, otherwise you'll need extension cables. Lame.

I see the Nintendo cable has the same problem.

the cables work. The downside is that in an effort to make the back of your entertainment center more clutter free, they bundle all the cables into one solid cable. Now this would normally be great; the bummer is that they don't split out all the cables until the last 5", this means that if on your receiver (like mine) if your audio inputs are not right next to the video inputs, you may have a problem. They should have left at least the last 8" of cable separated.

Worth having, if only to free up the aging composite inputs on your tv.