Vending Machine

[Zack]

(Adblock Plus? Curse you! Can you disable it for NiftyHost?)
You get the word delete.
I insert Cracked.com.

[Arthur]

Don't worry, I'm not running it now. But I'll do that anyway.

You get crackers.

I insert an infinite rainbow machine (it's called a farting unicorn ;p)

EDIT:
Now I know it's really Nyan Cat.

[HiddenKnowledge]

You get your windows password.

I insert a SYN package

[Arthur]

You get Mobile Me.

I insert <insert unix-based OS of choice here>.