I think what would really help the may version of this price guide is, rather than Year To Date, replace that with Last 12 Months. The problem with the 90 month averages is that they don't accurately account for the recent growth, but YTD suffers from too little data.

For the time being, I always try to keep the November version bookmarked for comparison, as 6 month old data that spans 11 months of sales is better than current data that only spans 4-5 months in most cases.

I know they have the data, I assume it wouldn't be too hard to update the formulas in their spreadsheets. Hell, if they distributed their original spreadsheet files, we could do all sorts of selected averages. I think 2 year rolling average would be the most useful trade-off between too much and too little data.

But all that being said, I think it's fantastic that they post this data in the first place. My personal theory is that, worst case scenario if the "Pinball Bubble" pops in the short term, these machines will merely drop to their 90 month averages, so this guide helps me tremendously when buying to keep that in mind.

You should really check out what multimorphic is doing with the P3. It's the most game changing of any of the new offerings out there and they really are trying to build a product for the general consumer market as well as pinball collectors.

But even though the P3 is the most revolutionary new pinball product out there, IMO, I don't think technical revolutions are enough anymore to devalue a whole class of pins like has occurred in the past. The markets for pins are too different these days. In the past, you had to have the latest greatest to bring in he quarters, so every big new change made the old generation unappealing to short attention span kids. Now with the collector market, you have people prioritizing different things. That's why funhouses demand more than baywatches, despite the latter having much more advanced technology. I think as long as arcade era people are still alive, there will be a market for those games. It's when we all start dying off that we have a problem, but that's a long term problem. Unless these new MFG's fix that by creating new generations of fans...