P.S. Wouldn't it be awesome to have the graphic quality (and JUST the graphic quality) of RTW units for MTW?
IMHO RTW adds more than only graphics. The new map, city battles and diplomacy are a great advance and allows you play new kinds of strategies.

I think that the game needs to be tunned but the engine itself is far superior than the MTW one.

MTW out of box had several problems to. I remember how frustrating was those all peasants army that the AI built, or the random damage when you conquered a province, or these tactical flankings in front of your nose, ...