EverQuest: The Serpent's Spine

Contains
 * New playable race - The Drakkin. Half dragons.
 * Higher level cap, now up to level 75
 * Go from level 1 to 75 without leaving The Serpent Spine areas.
 * New starting city - Crescent Reach
 * New zones, spells, tradeskills, AA's, etc.

Unofficial sites

 * Allakhazam.com