Gnome + Fusion.
Gnome
KDE
Xfce
ion3
enlightenment
flux box
Gnome + Fusion.
Kwin with KDE.
I've used most of the window managers out there but i keep coming back to KDE, i can make it look like any other WM anyway, if i would want to do that, i prefer Konqueror to Firefox or Epiphany, Kontakt to Evolution, Amarok to all the horrid music players in Gnome and Kmplayer using mplayer plays anything i could possibly want to play, even half downloaded files if i want to check quality and content before it's fully downloaded, Ktorrent kicks anything Gnome has to offer too.
It's my opinion though, take it for whatever it's worth.
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