Yes I apologize, in my haste I forgot to mention the Nim only works with the HD GPS units, sorry.
Will it work with a Non-HD Garmin 660 or 665? They're significantly cheaper that the HD branded ones...
I have a 665 and swap it between bikes. I love it as it's my XM Radio, MP3 Player and I use the weather radar too. Also makes a great Bluetooth interface to my helmet and phone. I don't have the NIMS deal, just use the 1/8" input on the radio. Works well for me as I listen to XM 90% of the time anyway.
It's still a spendy unit, but it does a lot of things. It's water and vibration proof, glove friendly, daylight readable, and works very well..
I hate that motorcycle they make me ride. I'm here to tell you there ain't nothing in the world I hate worse than that elephant under my ass.
Officer John Wintergreen reference his Electra Glide.
Go on line and find a Garmin 765T, they are not available new and are discontinued. Hook the output of the GPS to the Aux input on your radio, and there you go. Put the radio on Aux and you're done. You cant hear the radio but you have the availability of a 4 Gig hard drive on the gps to store music and the turn by turn directions can be heard through your stereo .