Well the HIDS brighten up the road say from the ground up to say 5 feet.
Now with the highbeams they shine say from 5 feet up to 8 feet.

I hope this explains it cause im drux0r's right now. To much partyin last night.

Once you go with HID's you will never revert back to stock halogens.
I frequently drive to the poconos and i barely use my high beams since the light output is sufficient.