After playing the vanilla version of mtw for a couple of years I am now seriously going to play all the mods.

Right now I am playing Hellenic Total War v3.1. It is a blast. Currently working my way through all of the Historic Battles. Next will come the Historic Campaigns, and then I'll play the long campaigns...

I love ancient warfare, so playing a battle in which Macedonian long-speared phalanxes appear, is a wish come true... and those battle maps are great...