And just for clarification, not all the cars belong to one guy. I know the silver one on the bottom right is SilverTwin(OH)'s car. I think the guy who owns the house just hosted a Z meet (or tech day) and they decided to take a pic like that.
Putting eBay "performance" parts on your Nissan 300ZX is like putting Pep Boys wheels on your Cadillac Escalade... even people on welfare know better.