I use my MBP in clamshell mode: http://support.apple.com/kb/HT3131

With a Macessity LapTuk stand: http://www.amazon.com/Macessity-LAPTUKPRO-LapTuk-with-USB2-0...

And 3 external monitors usings two Kensington's USB to VGA adaptors: http://www.amazon.com/Kensington-Universal-Multi-Display-Ada...

I can do a coderwall profile with photos if there is interest.