When more than one person asked me about my Roady 2 PAS, I realized I had never posted followup on my article about purchasing the PAS. So, here it is:
I don't use the stock headphones that came with the Roady 2 PAS. They have foam coverings on the ear pieces, and I was worried that they would get clogged with sweat. Nevermind the fact that VA law doesn't allow both ears to be covered while riding a bicycle (except in certain circumstances).
I went to Wal Mart and bought the cheapest pair of earbuds. I split the cord so I can leave one in the pocket of my pack and put the other in my ear.
For an antenna, I use the vehicle antenna that came with my Roady 2. I just purchased a big washer so I could magnent mount it to my pack. Reception is good. I only have a few (3-5) places where I drop out for 1-3 seconds. I think that is because of trees. Overall, this yields good reception.
I had to turn the volume up way louder than I thought to compensate for the wind noise. I tried listening to Fox News on XM, but decided music was better. I usually spend my ride time listening to "The Message" XM32 (Christian "Pop" is what they call it).
Battery life is good. I have spent 3.5 hours on my bike and it was still going. As the battery gets weaker, I think reception gets a bit poorer, but I haven't tested it enough to be sure.
Overall, I think this is a very good solution. I only wish the battery pack were lighter and lasted longer and that it had a belt clip so I could use it without having to carry it while I'm off my bike.