Not many people probably remember that a large personal computer show/expo was held in Atlantic City way back in the late 70s. The show was the brainchild of John Dilks, a great guy who also co-owned and operated one of the earliest independent computers stores in the South Jersey shore area (The Computer Ark). If I remember correctly the PCC shows ran for two or three years total before the expense of running them in A.C. made them impractical.
I still remember writing BASIC demos for John to run on his S-100 computer at a local air show to drum up interest in PCC.
Working through some old boxes I bumped into the brochure for what I believe was the first PCC in 1977: