I never got to experience the old plaza when it was new. I bought a PS3 and joined Home right after the redesign. From what I see it was pretty cool, but I like how it is now too.
When I joined, the first event I found was a promotion for Uncharted 3 in the hub. It took you to a different area that had it's own game modeled after Uncharted 3. You had to run from cover to cover, shooting bad guys. There were three different "waves" to complete, along with multiple achievements and prizes for your Home character. I played that game over and over and over, eventually completing all the waves and achievements. I still carry around the big gun that you win for completing all the achievements. It still exists and you can find it in the navigator somewhere, and some people still hang out there.
Anyway, I love this thread. I always loved nostalgia.
Jersquall: Any new news on Home on PS4 yet?
Tempest_Fire: Due to a shifting landscape, PlayStation Home will cease publishing new content on November 12, 2014.