As an Ableton freak this seems like the number one thing that is annoying about the UI. resizing the layers would be handy too for higher layer counts when you still want thumbnails (especially with groups).
I know this has been asked for here before, but adding OSC output for dashboard link labels like we do with clip names would be the.bomb.com. :P I have a TouchOSC template that has the dashboard links (comp/layer/clip) mapped to 8 faders, works great, but only static and unchanging dashboard labels ...