The Lightspeed I've got, a 3G I think, is pretty good, especially when plugged into the iPod. I'd certainly recommend it. Infact the better the tune on the iPod the more I'd recommend the headset
That said though I find it works out better if I give the lightspeed and the iPod to the pax and let them enjoy Sachimo's wonderful world on endless replay
The Campbell bonedome I use allows me to safely bang my head on the walls in time with the throb of the engine