I fired an AirLite five times with 357 ammo. I will not willingly ever do that again! After that experience, I bought a model 640 Pro for pocket carry. With a good Kramer holster and a sturdy belt, the weight isn't a problem for daily carry in my front pocket? The sights on the Pro are a real plus and I'm sold on moon clips as well.
If you have a chance, shoot an AirLite side by side with an all steel J frame and decide from there. I'm very pleased with my choise.