HP 11 Print cartridge - Magenta - 1750 pages $30

Buy.com has the HP 11 Print cartridge - Magenta - for $30

The HP 11 color ink cartridges work as a modular system with HP 10 black ink cartridges and HP 11 printheads. Each ink cartridge includes a "smart chip" that optimizes print quality and automatically warns when ink is low. The HP 11 color ink cartridges feature specially-engineered inks for photo-perfect color images.