A little history before I go into the review. I currently have a ’05 BMW R1200GS, ride about 20K a year and have been riding for about 30 years. My two loves, besides my wife, are riding and listening to music. I started several years ago with a CD player in the tank bag. That was OK until it started to skip and listening to the same CD for 200 miles got old (I don’t like to stop unless I need gas). After the CD player I mounted an XM radio to the bike. This was great until two units crapped out on me, would lose reception if I was on the wrong side of a mountain, in some woods, and even in some open flat places. This for a monthly fee to listen to didn’t work. I then went to an I Pod which I use in the car, truck, bike and gym. This works great but on long trips the ear buds (ER6) make the ear canal sore. I also have to keep the I Pod in the tank back in order to keep it charged therefore having cables attach me to the bike. I don’t know how many times I’ve almost pulled them out of my ears forgetting that the I Pod was in the tank bag. My wife has never wanted an intercom. We’ve traveled two up across the country and she has always said that she has nothing to say to me. I have read a lot about the Zumo 450, 500 and 550. I almost settled for the 450 for just a GPS upgrade. The more I thought about it I liked the idea of having Blue Tooth (BT) to listen to music. I found the Scala Rider Team BT headsets and decided to go with the 550. The Zumo 550 was purchased on Ebay for $716 including shipping. I ordered the Scala and TT mount from Cycoactive.com for $225 and $179. Last Friday the items were delivered and I already had the bike apart to hard wire the Zumo to the bike. As you can probably already tell, I’m sort of a techie geek. I have had the Garmin III, V and Quest. All have done well but I can’t resist the upgrades. I hard wired the Zumo to the auxiliary fuse box I have under the seat. The mount was placed on a TT mount above the speedo in good view. Now, I have not had a BT device so I was skeptical of its performance. The Scala Rider Team was attached to both helmets in about 15 minutes. They had to charge for 5 hours so I waited for the wife to come home from work. I first attached the cell phone to the Zumo and then the headsets to the Zumo. I like the idea of being able to receive calls while on a trip but it wasn’t a must. It is nice though, if you have to call 911 you don’t have to stop. I had a small problem with a quick disconnect braking so I had to wait to get the part before we tried out the system. Sunday we took about a 200 mile ride and the wife actually loved the intercom system. She too could listen to the music and we could talk at the same time. I was able to load about 415 songs onto a 2GB SD card. The Zumo plays them at random (an option) and starts at the last song when you restart the system. It takes about 30 seconds for the Zumo to recognize the cell and headset at start up but then everything works well. The sound quality of the music is good, not great. I have not used the phone feature yet. The screen is a little hard to read in the sun light but that was without my glasses. The touch screen is great. So, for under $1K I was able to get a GPS, MP3, BT and headset with intercom. So far I’m very happy with the setup.