Well, not thta you ever face any, but...what if you were to come up against a force user who has force jump (in KotOR style)? You don't get a chance to gun him down before he's on you, using your lack of melee weapon to add +4 to his attack bonus. Also, you know, using lightsabers, the only weapons in the game that do more damage than the best pistols in the game that can also be dual wielded.