BI is loads of fun... They brought back religion and a few other things, new factions and what not.. The horde idea is cool, but it get really annoying when you kill of the last of a barbarian factions settlement and next thing you know from their ashes rise 7-8 full armys...
I like the board type movement in MTW and I liked just about everything else. but I see your point. Theres no reason my 3 gold chevron cataphracts should be brought down after they charge into a group of peasents.
That was ridiculous and pissed me off...

The mighty Grecian Horsemen, who conquered everything from Egypt to Novogrod were slay'n by british peasents...
I think I'll go play RTW now

PS: Please excuse my spelling.. I cant spell anymore for some reason..