It lacks some modes from previous entries but when it comes to the amount of songs.... yeah this is the best its gonna get. It's missing some songs that were available in previous entries like Lost One Weeping but still, this one has the biggest amount of songs.

yeah, plus u can mod it to get songs from the older games!

the only core features missing from this game are the edit mode and the DIVA room from the F games
other than that, with mods this is the ultimate Project DIVA game