Amazon.com has the Wacom Intuos4 Medium Pen Tablet for $319.95. This tablet ships for Free, and it:

• Quickly and professionally edit photos and create digital artwork with natural pen control
• New pen tip sensor technology lowers activation force and captures every nuance of pen pressure
• 2048 levels of pen pressure sensitivity for precise pressure control
• User-defined ExpressKeys & multi function Touch Ring put time saving shortcuts
• Illuminated ExpressKey displays provide a constant reference each Keys setting
• ›  See more technical details