Some sites that I created and/or maintain for various projects that I work on:

• The Home of UPenn's PR2

 
Some sites of buddies and colleagues of mine:

• Daniel Benamy
• Joe Romano
• Mike Phillips
• Kyle Winfree
• Jon Butzke
• Daniel Mellinger
• Babak Shirmohammadi

 
Some useful pages at ros.org that I forget are there and/or don't think to look for:

• tf Datatypes
• Standard Units of Measure and Coordinate Conventions
• Arm Navigation Error Codes
• Rotations in ROS

Some commands that I forget (TODO: move this to its own page):
To move the window buttons in Ubuntu 10.04 from the left side to the right side:
gconftool -s /apps/metacity/general/button_layout -t string menu:minimize,maximize,close