Credit unions just got one more tool in their value- added toolboxes in the form of an e-mail-based personal finance magazine created specifically for CU members. NAFCU Services Corporation (NSC) has teamed up with c2future.com, publisher of the on-line personal finance magazine eMoney Digest, for the weekly e-zine geared toward helping credit union members learn more about such personal finance issues as investing and career management. Sent to participating credit unions' members via e-mail, the magazine can be branded to a specific credit union, so members never even see anythi