driving lights

Hi all! I moved into a rural area lately and now have to ride in the pitch black every night on my commute to work, and also regular 80mile trips to oxford. I have always found the headlight on my 08 FZ6 S2 to be a bit pants in total darkness and now that i'm doing so much night riding i...

How much the dual headlight mods improve the light coverage? I'm noticing that the low beam is pretty poor out to the sides and I was considering adding some driving/cornering lights to the bike. Has anyone done this? If I got some small ones it looks like I could mount them on the underside...