Nothing lasts forever and we have to remember in the end these are just games. I think if you don't obsess over this stuff and engage in it just every now and again the hobby can last you a long time even a lifetime. Also strongly appreciating the aesthetic properties of the best games can prolong Pinball's appeal as these games can then become a sort of "Pop Art". If you are only into this for entertainment value I can see your interest drying up before long as its easy to be entertained by a million other things.