Well, you will be giving up a lot of portability, but gaining a lot of quality. If that is the direction in which you want to head, then by all means go for it. The film would be worth somewhere between $90 and $200, and the rest depends on how the equipment looks. Be sure to ascertain the condition of the bellows, focusing racks and also the shutters and general optical condition of the lenses. You could sell one kit and buy additional lenses if you choose. I would personally like something in between 50 and 90 and again between 90 and 180. So a 65 and a 127 would be welcome there. But that is me. At 450, definitely a good buy as the others have already said, if everything works.