Drill:
http://www.youtube.com/watch?v=ailYHAqTtOM&NR
Shadowboxing:
http://www.youtube.com/watch?v=ZUJDKUDI0cY
Jump rope (I highly recommend it as a conditioning/weight loss tool):
http://www.youtube.com/watch?v=6qOIq...elated&search=
Footwork:
http://www.youtube.com/watch?v=0KYGF...elated&search=
All of these are applicable to other MA systems.