It is pretty lousy. They say it ships with Kies 2.0, but I can't find it anywhere. You have to download Kies 1.0 for the mac from Samsung and install it on the your mac. Here is the link for 1.0 (if anyone knows where 2.0 is let me know- that's what they say is available in the news release). The problem I am having is that the music transfers over to the tab, but not the artist name, genre, album name, etc. I finally gave up and used Google Music (not the one that ships on the tab, but the update to the beta which although you to store music free online- if you need an invite private message me with your gmail address and I will get you one), which is much better and can put copies on the tab if you want.
You're right they say something then don't deliver. I have Google Music and like it but have been using Spotify. Spotify doesn't completely work on tablets yet either.