New iTunes 11 sorting?

Hi! I really like the new iTunes (even though I miss cover flow), however I have a question. I often make my own remix albums in iTunes where I add all remixes by an artist in one place. I always remove the track positions for the remix tracks to get them automatically listed in alphabetic order. Previously, in the old iTunes, it worked fine, but not in iTunes 11, when I use "album" or "artist view".

Do you know if there is a setting to fix this so that tracks without track positions are listed in alphabetical order? I don't want to have to give each track in the album a track position to get them sorted the way I want, because it would take forever. Also, it would complicate things every time I added a new remix to the album.

Thanks for your help! I've included a print screen of the problem: