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Yes....I m sick too (sometime)

But answering the first question from Hannibal: ROS it definitly too big and complex to run on a small microcontroller like parallax, microchip or arduino (uno, novemila, etc...). That really not what you want to get. ROS is ok if you have a more complex system like beaglebone, RADXA ROCK, etc... Since I came from the world of Arduino and Microchip (as hobby) I understand you perfectly. The most interesting thing you can do is using a serial communicating between ROS (your PC or Notebook) and the embedded application (your parallax in the robot) . The small device is going to drive all pheriperical devices like motor, servos, sensors etc... but sendd and receives what to do and how to do from the PC (through a serial communication). With ROS you are able to run really complex systems to manage all you want to do. I know it could be a little bit surprising for you, but this is the philosophy of ROS. You create Nodes which Communicate... I hope this help you a little bit