After doing about 10 minutes of research I found a working $5 off coupon for Jivetalk. Im going to buy two now for my girlfriends bb and my own ;)
This was tested on 8/11/08 and works for one license ($20)
Active Code:
IPRELAY1
Inactive Codes:
RIMEDU
IPRELAY
PNSTKHOL
FREEJIVE
JIVEFREE
I figure save some other BB users some time and money