Since you have it on your hands I would give it a chance and do all the small repairs and fixups. It might not be everybodies favorite vintage model but it's far from the worst out there when it's up an going. Replacing a plastic gear or two isn't necessarily costly or too difficult for a DIY project. The feed dogs are available many places on the web and probably at a local repair shop too. They have quite nice features in the bobbin setup.