Here we go
Favorite Narrative AAR, HOI3: Rank and file A Clerk's War by Uriah
Favorite Comedy AAR, HOI3: Gary Busey and Friends - 1936 USA AAR by cubie_hole
Favorite History-Book AAR, HOI3: Explorations in Strategy - Italy at War by Myth
Favorite Gameplay AAR, HOI3:???????
Favorite AAR, FTG: Quest:The Wine of Milan by coz1
Favorite Narrative AAR, HOI1/2: The Hard Fight for Victory by Admiral Nelson
Favorite Comedy AAR, HOI1/2: The Adventures of Colonel Blimp by Flying Dutchie
Favorite History-Book AAR, HOI1/2: The Butterfly Effect by El Pip
Favorite Gameplay AAR, HOI1/2: Children of the Vault by SwordofJustice
Favorite Narrative AAR, EU: Poland by Range
Favorite Comedy AAR, EU: Oyo-u must be joking by MorningSIDer
Favorite History-Book AAR, EU: Triumph of Eagles - The Rise and Fall of the Transylvanian Empire by Kapt Torbjorn
Favorite Gameplay AAR, EU: Can Qasim into Space by Serbian Knight
Favorite AAR, Rome: A Light In The Darkness by Brandenburg III
It was difficult for me to fill in some of these categories because there are two or three AAR's that are really good. But choose I must and choose I have.