There are so many different definitions of what a "thin client" is that it is impossible to answer your question without more specifics - like what thin client you're actually planning on using.
"Thin client" is a marketing term.
Jon Johnston
Creative Business Solutions
IBM, Microsoft, Novell/Suse and Sophos Consulting
952-544-1108
http://www.cbsol.com
Blog:
http://bingo.cbsol.com