"I'll give this my best shot, but beware that others might have
different opinions about the purpose of various distributions.
"Personal desktop: On a non-technical level,
Xandros and LindowsOS are possibly the leaders, but many people
choose one of the more powerful and freely available distribution,
such as Mandrake or SUSE. Red Hat/Fedora is OK, but it lacks
multimedia support, so it would probably better fit the small
business desktop operating system (OS) category. Some new kids on
the block with rapid popularity gains, due to their
user-friendliness, include MEPIS Linux and PCLinuxOS..."