http://www.ros.org/wiki/ROS/Installation/Ubuntu/ lists 2 ways to install Box Turtle, but the Pre-compiled binaries link (which is recommended) has.... 1.1 Setup your sources.list file with a mirror for Ubuntu 10.04 (Lucid: C Turtle Only) where sudo sh -c 'echo "deb http://code.ros.org/packages/ros/ubuntu lucid main" > /etc/apt/sources.list.d/ros-latest.list' is using "ros-latest.list". I want Box Turtle because it's more stable right? Why isn't it using "ros-boxturtle.list" ? (correct way to do Box Turtle?!) Why is it "Lucid: C Turtle Only" above? Can I not get Box Turtle pre-compiled libraries for Ubuntu 10.04 Lucid Lynx? If so, can I still SVN (download-and-compile) install for Ubuntu 10.04 Lucid Lynx? SamQ _________________________________________________________________ Hotmail has tools for the New Busy. Search, chat and e-mail from your inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_1