One thing I'd like to see is for songs that are split across many tracks to get merged into a single track on the playlist. This is something I do in my own music library (thank you,
iTunes), and it's nice to not have a song suddenly cut out because it's broken across many tracks.
For me, the canonical examples of this are Marillion's "Pseudo Silk Kimono/Kayleigh/Lavender" and "Hotel Hobbies/Warm Wet Circles/That Time of the Night", each of which span three tracks but are really one song. Magenta's album
Revolutions is very much in this vein, as of course are many other prog albums.
There are exceptions, of course; I break Ayreon's
Universal Migrator up into individual tracks, even though they flow into one another, because I don't want two 60-minute tracks, and because they're really separate songs.
But in some cases it's definitely jarring to have a song cut out seemingly in the middle because it spans track boundaries.
I realize this would be more work for the AM guys to do, but I figured I'd raise the issue. (My apologies if it's been discussed before.)