Crashem, You're my bud but I have to disagree with you here. You're right that making good landings and rollout will help your nose gear not bend but a rough field will put extra stress on the nose gear even with perfect landings.

Stationary the nose gear supports very little weight and is therefor designed for that. (we already know RC planes are over engineered and that includes the nose gear). What happens when you hit a small bump? There's a force pushing up on the nose gear and also a force pushing back. It's the small force pushing back that's the problem. The back force is just like putting on the brakes but the nose gear hits the bump first so it's only the nose gear putting on the brakes. This cause the weight to shift forward and put even more weight on the nose gear. Hence it getting bent sometimes.

Make a good rollout by hold the stick back and don't just simply release it as the plane touches down. In real aircraft they teach you to hold as much weight off the nose gear as you can throughout the entire landing, rollout and taxi. At some point after touchdown you should have the stick all the way back and keep it there until you park to save that nose gear.