They're not hard to install at all. It's just a matter of how you want to place/hide your ballasts.
The relay harness is this: http://www.ddmtuning.com/Products/HID-Kit-Wiring-Harness
I personally like 6k bulbs; just a hint of blue and plenty of output. 8k is too blue for me. If you want the best light output (lumens) go with 5k.
Hope I've helped
yea, those are the OEM fog lights for those bumpers...basically just type in "your year" accord fog lights and you'll see those circle ones. im trying to get maybe a coupe 01-02 bumper so i can get that clean look. this is a pic of how they look on the car baiscally.