Go Grey Elf (+2 Int, +2 Dex, -2 Con, -2 Str) and take the feat that allows you to use all racial weapons without penalty. Then use the Elven Thinblade, 1d8 dmg, 18-20 threat range, and you can use Weapon Finesse with it.
EDIT: Dangit, shoulda read all of Hypersmurfs post