With enough sources available, Kobolds rock the house.
Dragon magazine Sorcerer Bloodline: Dragon
UA Flaw, to take Dragonborn as well as the bloodline at 1st level
UA racial variant Desert Kobold (trades Con penalty for Wis penalty, loses light blindness).
Web Enhancement Greater Draconic Rite of Passage (+1 Sorcerer spellcasting)
Magic-Psionics Transparency, Limited Wish, and Psychic Reformation (basically any spell or feat in the game available for 300 xp, a 7th level spell slot, and one standard action ... plus you get to change your skill selection).
Archmage.
What's not to like?