RHEL and Centos are inferior products for *Desktop* users.many n00b's still believes that they are running something superior
dude!that RHEL/Novell etc are meant for Enterprise ppl or in other words running servers which needs security!infact RHEL etc contains old packages(but tested).
and,running RHEL etc on ur system...
get Antix mepis-it is the best
http://antix.mepis.org
For a new user,Ubuntu GNU/Linux or Fedora(fedora is RHEL's superman form) are the best(not for ur system though!)
and I found that below link is very nice to ppl who are still wanting window$:
http://linux.oneandoneis2.org/LNW.htm