The main issue I've had with 3.0 is I can't get emplode to work with it for love nor money. There's an updated emplode executable to download but it corrupts the database and screws things up very quickly. However if you don't add new content very often and don't mind reverting to 2.0 to do so then 3.0 does offer some great player features.

In particular its tuner is much better than 2.0, although overall stability isn't perfect.

Rob