Need Some information/help with case lighting

1.) Depends on what color you want. Red cathodes emit more of a orange-ish light instead of solid red. LED's have a lot more red look, kind of like fruit punch you might say. That's why I chose my red LEDs.

In terms of strength, they are pretty similar although I would imagine LEDs are a bit bright per watts consumed. Since you want a light glow, cathodes are probably better, although you can get LEDs and just put some parchment paper or thin sheet of paper around them to dim it a bit. Another thing with LEDs is that they can make "spots" of light die to the individual LEDs instead of a solid light like the cathode. This only happens on closer objects though. It tends to blend together when it's a bit farther away from the object it's shining on.

2.) Logises (spelled that wrong) has been pretty good to me for cathodes and LED's. Cathodes will not last nearly as long as LEDs though. My 3 12" LEDs are stll going strong after about a year, but one of my two cathodes burnt out. I think that might be because I tried to hook it up to a fan controller though .

3.) Two would be okay, but I might just recommend getting three (two for the main part, one for the psu section). That's what I have for mine and it's pretty freaking bright, people have called it a Christmas tree before lol.

4.) They usually come with some cheap crappy velcrow that will last for about a week and finally fall off in the heat of the computer. I myself replaced those with some high quality sewing velcrow from y mom, and those haven't fallen off yet and it's been around a year. Just keep in mind that the heat really does a number on adhesives.

5.) Those should come with the cathode and use a molex connector. If it doesn't then you can order one for pretty darn cheap. I don't think LED's need inverters.