I have the nolan lid with a Nokia lead direct from my phone to the plug coming out of the lid. My biggest problem is not being able to increase the volume beyond the phone as this is not loud enough. When going over 50 or 60 mph on my old unfaired SV1000, I might as well have nothing plugged in. I am hoping this noise issue will be improved once I get my '03 GT in a week or two.
I am led to believe that by getting the bluetooth setup, you would be able to increase the volume considerably, but until I get that confirmed, I'm not going to splash the cash.
Also, the headset is not stereo in any setup (bluetooth or direct wired).