Update:
I have worked with Spotify's support, but I can tell you they aren't anything like Slacker support. Many think Slacker support is bad, but by comparison it is great.
I don't get any sense of this issue being important to them. They said they had no idea how many people actually played there device while docked, didn't see it as a huge deal, but would see what they could do. I of course said a bug that causes your app to crash when removed from a powered dock or if the power dock has power cut seems pretty urgent to me.
I have still not decided, but I am leaning towards canceling and then trying them again down the road.
Anyway, just updating everyone, it doesn't seem like very many people on DRC care much about Spotify anyway...
I've been using it, but I'm not sold on paying for it yet. The interface does some weird things when you use it with local files. And they don't make it easy to file bug reports or even get an answer.
Oh, and edit to say that I think Spotify may not be getting a lot of talk because of the Invite thing. I wouldn't, and I know a lot of people that won't, sign up without a test drive of the service.
I've found at least once on the Mac app that Spotify will choose to play a local file rather than stream it. This is probably a good thing - saving some bandwidth, and whatnot. However, whatever they are using to detect that you have a local copy of the file needs work.
On at least one occasion I've had them substitute an album track with the same title, only from a live album. The dumb thing is that it didn't detect that I had the entire album locally - it found just this one track , and it wasn't even from the right album.
I've also found a lot of weird holes for what might be considered less nameworthy artists. They aren't unknown, and Spotify has some of their work available - just not all of it. I know that some of it is probably to blame on the labels, since some of these guys have had lots of little labels come and go out of business of the years.
We'll see - $10 isn't bad for what it is so far, but I'm not jumping in until I see things settle down a bit, and maybe see some of those holes filled.