Because I know it's owned by the Ranch Baron, but if I have to, I will do the evil side of that quest if that is what it takes to own it.

I want one too! Good thread.

I don't know if this is the penthouse you are referring to, but if you gamble at the Ultra-Luxe and win enough they'll grant you the key to their best suite.

http://fallout.wikia.com/wiki/Bon_Vivant_Suite