I've been a Rhapsody subscriber almost since Real started the service. I prefer it to things like Pandora or Last.fm, because I can build my own playlist of exactly what I want to hear, and explore connections between artists to find new things.
I just got a new Roku box (having got one the week it was released, when it only did Netflix, not liking it, and selling it a few days later). It doesn't do Rhapsody, but does have MOG. I see there's a MOG app for Android phones, and the PC application looks fine from the demo video I just watched.
There's a free 14 day trial, so I'm probably going to check it out soon. I was just wondering if anyone else here uses it, and what they think.
Also if anyone wants to know about Rhapsody, ask away. I'm pretty familiar with the service by now.