I don't know if I'm fully converted to the older stuff or not. I started out with a "newer" Stern then DMD Williams and got hooked on EMs. Lately though I'm filling out the collection with some early era SS machines. While I still love a great multiball game I also greatly appreciate single ball game play with fewer objectives. I also think it helps that they're usually more affordable too so you can build up a nice collection.
I think it's a little bit like music. You like the era you grow up with but then you also find out about great old stuff too.