I have room for 17 machines to be set up for playing (6 in the shed and 11 in three rooms of the house). At the moment I have 11 inside and 5 in the shed with another 2 being restored (Centaur II and High Seas), Family Guy is at my Brother's place alongside his Simpsons Pinball Party and The Flintstones is at the inlaw's for their grandkids to play.
When I (eventually) finish both restorations something will have to go