In reply to:

Alarm (starts playing at specified time)
Timer sleep (plays for n minutes before going to sleep)

Used to do this with my Mark1 unit hooked via serial to my laptop. Just had the laptop send the approiate commands when needed to shut it down for the night, then wake me back up in the morning.

Definitly would be nice to see at least the timer for Mark 1 owners, and the alarm clock for the Mark 2.