Did you go with the over the head or neckband model? I wish they had the behind the head like Tiger. I am not a big fan of the over the head and I am not sure if the neckband model will stay on.

Where is the best, cheapest place to prchase these, is the power plus II alot better than just the powerplus?

I have a friend who uses aviation head sets. For open cockpit they work excellent. Talk with all your passengers and listen to your Ipod @ the same time.

I have four of these on my boat.... for running hard in a poker run they are not that great..... they are walkie talkies so you can't talk over one another ....... I also have to use the push to talk because the wind activates the VOX. I have to say for conveniance they are great and my wife loves them because she doesn't get a headache when running around all day..... I would say they are very good from idling up to about 40-50 mph......

Wireless or not you'll still have the issue with wind noise. I just turn down the surround and they work fine, but at speed the push to talk works best. Sure beats the heck out of all those cables laying around.

I have the over the head style and it stays on fine.