Hi,
http://lifehacker.com/5054510/battle-of-the-linux-distros
"Fedora gets bonus points for being one of the first to make putting a persistent Fedora 9 on a USB drive possible with a few clicks in Windows. The live environment is pretty snappy for its kind, and all but the heaviest apps (OpenOffice, for example) are included for toying with."
"Who would like it: Anyone who likes their Linux on a USB stick (with persistent data and setup), and anyone looking to try out a general purpose Linux distribution without having to monkey around with too many settings"
Rahul