This review at LinuxInsider is very, very, very happy with Ubuntu.
Read it here
While it is common for newcomers to Windows XP or the Mac OS to be dazed by installing and using the software's basic features, installing Ubuntu was a snap — the process took less than 20 minutes and did not require any system reboots. It is an ideal Linux distribution for the Linux newbie.
I was a DOS command-line fanatic in the days before the advent of Windows. A few tasks in Linux require entering similar command-line instructions. Though much of Linux is hidden behind the desktop interface, sometimes I open a terminal window on the Linux desktop to copy and paste in order to complete a task.
For me, that is much of the newly rediscovered fun of using computers.