Found these three on Youtube:
High pitched 1003
http://www.youtube.com/watch?v=QPSA07nD ... ed&search=
2001
http://www.youtube.com/watch?v=K4a1wX57 ... ed&search=
1000T ( best sounding one ive heard)
All credit goes to matthackler for this video
http://www.youtube.com/watch?v=z5X5V6G55z0