I'm using KDE as my graphical interface and I also have Gnome installed as well as a couple of others (which I don't like) which all use XWindows. Both of the 2 interfaces I use offer something similar to the version of Windows I am using so I feel pretty much "at home" already. I think Gnome looks the "prettier" of the 2 I like but I am favouring KDE at the moment as I couldn't see at a quick look how to set Gnome up for single clicks. I haven't a clue how Mac's work but the "classic" Windows style is to double click to open an application, something I changed when Windows made the single click option availible - probably just me but I can see the point in 2 clicks where one will do...OK, just very trivial choices at the moment and I could well end up preferring Gnome (or even something else) but its nice to have choices - even though I can get confused with them at the moment...
Back to Macs... Any ideas why they decided to use the UNIX influence? Maybe I'm wrong as I don't really know the Mac history but it strikes me as if it may be a change in policy.
Jon