A 283: Just to continually pimp my "lists of stuff" thread: from the Speed section...
Special Mention
Dwarf, ignore movement penalties
Tooth of Savnok, item, Tome of Magic, move at normal speed regardless of armor
Champion of Corellon Larethian 5, ecl 12, Races of the Wild, move at normal speed regardless of armor
Knight 4, ignore movement penalties from medium armor, heavy at level 9
Vengeance Knight 6, ecl 11, Champions of Ruin, only take half movement penalty for heavy armor