Heavily using this. F1-F4 on Gnome now. Most of the work done on laptop. Workspaces are big productivity plus.

For mac neck twist: Disable animations and assign key shortcuts. http://osxdaily.com/2011/09/06/switch-between-desktops-space...

Looks like handy tool is available those days (read without heavy scripting): https://itunes.apple.com/us/app/workspaces/id1219826448?mt=1...