Diggus Rex said:Warblades from Tome of Battle can completely take the fighter's place and succeed where the base class may lack.
Diggus Rex said:Players Handbook 2 features knights which bridge the gap between fighters and paladins nicely. They seem like a lawful counterpart to Barbarians too IMO.
Diggus Rex said:Swashbucklers give a roguey feel to fighter, found in Complete Warrior.
Diggus Rex said:From the same book, Hexblades add an arcane touch.
Warblades are much more like barbarians than fighters.Diggus Rex said:Warblades from Tome of Battle can completely take the fighter's place and succeed where the base class may lack.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.