Vixta.org is a Fedora-based Linux distribution designed to be user-friendly and eye-catching, similar in look and feel to Windows Vista. Trying to bring linux to the “masses”, not just sysadmins
Features :[ul]
[li]KDE based Desktop Environment[/li][li]Fedora Based Distribution[/li][/ul] .
http://www.imgx.org/pthumbs/large/2384/start.jpg http://www.imgx.org/pthumbs/large/2383/vixta0.jpg http://www.imgx.org/pthumbs/large/2382/mycomputer.jpg
Well my view.. is that I really did not like Vista nor its theme 
but still nice effort will give this distro a shot.. and will post complete review 
Home Page : www.vixta.org - Home
Download : SourceForge.net: Files