I was initially excited about Ubuntu 11.04 when it was released and switched to it from Mint 10, after an hour or two I found Unity hard to get accustomed to (navigation to apps, switching themes, desktop right-click which are things I frequently do on Gnome 2)  I agree it has a simple interface but I guess am a die hard fan of Gnome 2.x.x  Am glad my favorite disto Mint decided to retain Gnome 2.x.x on release 11, which is what I use now.  

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Regards,
David Njuki
@njukey [Google,Twitter,Yahoo]