Recent overflooding of the market over the last few years has not helped, seems like every man and his dog is bringing a container in these days...pin prices are pretty low right now( expect for the top end titles and even those are cheaper than normal and have been for a while.)
This might change over time but I believe that this hobby will pretty much die with the current generation. Shame..perhaps.
I talk to my kids about pinball,they like playing pin but nowhere near as much as they like playing a ps3 or ds...it's just a sign of the times.