Been messing around with Media PLayer 11 for two or three days now, and I still don't think I am completely sold on it.... It seems Microsoft are turning into a bit of a Nokia - they make "improvements" that looks nice, but for some reason leave out the simplest things, and make navigation a very un-direct way.......
Simple things tho, like in WMP10 you could go to the colour chooser and tick the box for "use black background in player" - you can't do this in WMP11, which is stupid as the standard skin is the lovely black glass looking player with dark blue buttons etc - then a sodding great bright panel in the middle!
Other simple things like not displaying the ID3 data in the main "now playing" pane - WMP10 would have the album art in the middle, then top left would show you the artists and song title, and bottom right would show the album title - you con't get this in WMP11 which is daft!
The ability to add files from a specific location is also gone - you have to scan a whole directory everytime just to add a new album or couple of songs! And you can't turn of folder monitoring

My music is all in a different place than the stock XP location, so I don't want to monitor my documents as the files in there I don't want in WMP!
For some reason it constantly keeps trying to update and change your track data by itself! I keep going back to it to find it has changed track titles, album titles, sometimes even artist!!!! Which is VERY annoying as I then have to go re-do it all one at a time
Navigation is a bit stupid - it's very indirect and much more "round-about-way" of doing things. I miss the expandable fields on the left in the library, which made it easy to navigate to an artist - I used it to scroll though to see if anything took my fancy to play.... Option isn't there anymore tho
It seems very "un-customizeable"(sp) in as far as YOU can't decide wht columns/fields/data YOU want to see/use, but IT thinks IT knows best - not so!