well if you want to get you should get it for low beams, because HID takes 2 to 3 seconds to get warm and light on full intercity so high beam will not be affective.
color is 4300k or 5000k any thing above this is blue. cost should not be more then 4 to 5 thousand
Bulb type in LOW BEAM 9006
Bulb type in High BEAM 9005