I like big boards and I cannot lie, but I didn't find that this one had enough structure to keep the strategy interesting over multiple games. Still, entertaining enough to keep me coming back.
Krock has a thing for mobile-structured boards and AT is probably my favorite of the bunch. Fog, usually, kills strategy instead of creating it, but the fog-lifting along coastlines plays perfectly with the layout. The global/local battles, and the gamble in switching phases between securing islands and invading others is phenomenal... though it's pretty clear when that time comes. For the size of the board, games play quickly in the 4-6 player range, another credit to the designer. A krazy good time!
I like the creative use of visibility to see but not attack adjacent islands - it's a little touch that I really appreciate. Lots of obvious choke points once you clear an island or two (teleporter pads), which most people either love or hate. It's a fun board.
I think I've had some bad games, but they took a LONG time to play. I find the fog annoying on this board. Still, it's nice to have a game not won by the latest card turn-in. You really have to slog it out to conquer this board.