DotA 6.77c 1.4b AI Rev2 aka DOOMSDAY is known to be stable and working very fine because of full dedications and countless contributions of AITeam members. PBMN also give credits to Ciel_Asuka (new developer) and Green_Sliche who made all of the item builds.
DotA 6.77c 1.4b Rev2 AI map download link:
DotA v6.77c AI 1.4b Rev2.w3x
DotA 6.77c 1.4b Rev2 AI map download link:
DotA v6.77c AI 1.4b Rev2.w3x