I ran across a one day sale on M-Audio keyboards and other equipment on www.woot.com

If you need an inexpensive MIDI keyboard or mixer, this may be worth looking into.

M-Audio Recording Studio Equipment

$49.99 + $5 shipping

M-Audio 49-Key Key Studio, or
M-Audio Music Producer Microphone,
or M-Audio Torq Mixlab,
or M-Audio Keystudio 25 Note Keyboard