I am currently using 2.0 as i am still learning and don't start my cause till next year and a possible job (not 100% yet) and with all thus hype about VS2008 and .NET 3.5 i am thinking it might be time for me to upgrade? Still programming more as a hobbyist but need to start furthering my learning since school is now finished. Should i upgrade?

Oh an also do i have to uninstall the 2.0 framework if i do and VS2005?