My interview today is with bingo collector/repair person/player Keith Nickalo.
Keith has a fascinating website with information about some of the machines he has repaired, as well as documentation on various oddities:
http://sites.google.com/site/keithnickalo/home/as-is
The heavily modified Lotta Fun that Keith mentions is here: http://sites.google.com/site/modifiedlottafun/
Some documentation on the Belgian games Keith converted are here: http://danny.cdyn.com/taito.htm