JohnSnow
Hero
The magic system needs a complete rewrite to be Saga-compatible. As do all the magically-based class abilities.
Other than that, the conversion is almost trivially easy. If you were feeling ambitious, you could even go through D&D's base classes (all 83!) and turn their class abilities into Talent trees. Then, making any class is just a question of picking the talents you want. Some D&D classes would require multiclassing. Ranger, for example, is a magic-using fighter/scout.
You might have to slip in a class to represent well-educated characters in a medieval world. Personally, I hope Fourth Edition goes this route.
Magic aside (and I admit that's a BIG aside), it's honestly not that difficult.
Other than that, the conversion is almost trivially easy. If you were feeling ambitious, you could even go through D&D's base classes (all 83!) and turn their class abilities into Talent trees. Then, making any class is just a question of picking the talents you want. Some D&D classes would require multiclassing. Ranger, for example, is a magic-using fighter/scout.
You might have to slip in a class to represent well-educated characters in a medieval world. Personally, I hope Fourth Edition goes this route.
Magic aside (and I admit that's a BIG aside), it's honestly not that difficult.