My favorite robot remains Robbie from forbidden planet but this Lipson guy is awesome with his assembliage robot (another guy's work pictured above).

Now these are sculptures I wuv:

• Lipson Robotics (this guys is awesome!)
  
• Tinkerbots
  
• Junkbots
  

The "Rapid 2" Assemblage Robot Sculpture is my favorite. My birthday is coming!

Rob