Okay, i'm convinced now. Crusader as Battlefield controller and Healer, Warblade as Warrior General, Swordsage as scout, spotter, sneak attacker etc
I was also rereading desert wind and I had totally forgotten about their cone of fire, fireballs, wall of fire effects, which would be totally devastating in a battlefield situation. Swordsage as rogue AND blaster...!
now, if only they had a energy substitution feat for adepts....