It crashed within a minute of using it on my Tiger system that's very, very stable (almost nothing ever crashes on it... ever) and now the app won't even run now.. at all.

Also, I can't stand the interface... why not just have the playlists, etc. be listed similar to how iTunes does it? Instead you have to click these strange little mini-arrow things that act as a drop-down menu, so you have to sit there, stuck, with a drop-down menu if you want to peruse your libraries.

Also, careful when you go through those menus accidentally leave off somewhere and it'll jump to that song (whether you like it or not)

Well, at least I didn't have the keychain problem... haha....