Also look at American Pinball games, Oktoberfest is an amazing game with unlimited strategies. Two Stern pros are going to beat one mediocre GNR any day. Machines will always be coming and going, nothing lasts forever. If you get something you don't care for, it's fairly easy to trade or sell and pick up something else. Keep in mind it's easier to sell/trade 5k-6k machines than 11k machines especially JJPs with issues.