RatShack has the 25 pin Male D-Sub connectors (
Crimp D-Sub or
Solder D-Sub). The Crimp one's aren't in stock.
Newark has tons of stuff. They only charge $5 (I think) for shipping.
Digikey has them, look under C for "Connectors". Then look under "D-SUB" and find the DB25 Male connectors.