SJG / Warehouse 23 is having a sale on some GURPS items:
23% Off Sale Items
It's not everything, but it does include some good ones:
GURPS Banestorm: Abydos
GURPS Dungeon Fantasy: Ninja (by Y.T.)
GURPS Dungeon Fantasy Denizens: Barbarians (ditto) and Swashbucklers
DFM1, 2, and 3.
Check it out, please!