I almost replied earlier, but thought my reply would be kind of pointless, so I decided not to.
I used to use Subsonic, and even purchased a license. I really liked it and it served me well. And I would certainly recommend it to others who are looking for something like it. But somewhere along the lines (probably a couple years ago by now) it didn't get reinstalled after I formatted my computer, and it seems I haven't missed it enough to reinstall it since then.
So this looks cool, and I'm happy it exists for Subsonic users.
But at the moment I'm not one such user.