Quoted from hank527:Still available. A few interested, but nothing done yet.
I believe 6400 with these upgrades will be the cheapest Houdini sale yet.
I'm in York and pickup at the York show is possible.
6k on FB groups
6200 on pinside >>> https://pinside.com/pinball/forum/topic/for-sale-houdini-31#post-4568510