OpenBox is a minimalistic desktop window manager which can be run with or instead of Gnome or KDE. The whole environment is very customizable with nearly everything being controlled by a few scripts and XML documents.
Wallpaper: Arch gray
Icons: Elegant-AwOken (part of Elegant Gnome Pack)
OpenBox window decoration: 1977 OpenBox
GTK theme: Elegant GTK
Vim theme: wombat
Conky: .conkyrc plus power consumption script