My top Riverfront memories I've been at would be:
Larkin's Grand Slam
Dmitri's red seater (same game)
Larkin's 2000th hit
The game the Reds hit 2 grand slams (Taubensee & Boone?)
The big win a couple years ago in August where the Harnisch hit a homer.
1995-Bret Boone hit a 3 run homer to beat the Cubs in the 11th
Opening Days in 1996 & 2002
My first game vs. the Giants when I was 8 in 1992
The walk off wins this year, Aaron Boone on Opening Day and in June, Griffey Jr. in August, and Sean Casey in Sugust
The real memories I think I'll always remember were catching balls during games (one by Ellis Burks in 1996 &2 this year)
Also I'll remember the countless chases of cars after games in hopes of getting autographs and keeping track of my records for autographs at one game and hoping to break it each game I went to.
One of the other great memories was in past years when I was younger before I organized cards to take to games, I'd just take a ball and whoever I got, I got. We'd always have to try and figure out who the heck really signed that ball and it would make for fun trips back from Cincinnati.
I have a feeling GAB just won't be the same as Riverfron but in terms of watching the game and overall enjoyment of the action I hope and feel it will be better.