I think if it wasn't for smaller devs like AGEOD, turn based strategy games would become a thing of the past. They keep alive an entire genre of gaming that kids these days just don't appreciate. I personally like to scan over a map, choose my options carefully, and have the ability to go grab a beer and ponder my move without having to worry about the enemy rushing my base for a fast victory before I can get back to the computer. Twitch-click gaming just isn't for me... maybe I'm getting too old. Doom is about as fast and twitchy as I like and that game is now almost 20 years old.
Then there's the little details like hand drawn maps and portraits, historical units, supply issues, etc. Aside from maybe the CK/EU/Paradox series, there's really nothing out there that can cover the scope of these periods with the skill AGEOD has.
I guess what I'm saying is AGEOD games is like a pretty girl that has a good sense of humor, intelligence, is a good cook in the kitchen, and doesn't mind having a day to herself when I'm busy massing my troops outside of Paris.