I haven't had much play on any of them to be honest. This week / weekend I've finally got a bit of free-time so I can give them all a proper testing. But at this stage I'm sort of thinking the older 90's titles rather than the new sterns - they'd hold their value better? - the newer titles seem to be depreciating pretty rapidly. Plus the Williams / Bally machines appear to be much more popular in the reviews / ratings on pinside, ipdb etc, but maybe that's a nostalgia thing for a lot of people. Will try and play an AC/DC as well, the NIB experience does sound quite appealing, but not so sure on the theme. Although maybe price will be the deciding factor, would love to get as much pin(s) as my budget squeeze!