Four computers, find the fourth. RIDDLE?

In front of you are three computers.

The FIRST one is a Mac running Mac OS X 10.3

The SECOND one is a PC running Windows Vista/Aero

The THIRD one still doesn't have anything installed in it.

WHAT IS THE FOURTH COMPUTER RUNNING(logic question)?

Four computers, find the fourth. RIDDLE?antivirus download

There isn't a 4th computer... It says "In front of you are THREE computers"

Four computers, find the fourth. RIDDLE?bmw

trick question... there are only 3 comps in front of me-- there is NO 4th
the forth is the one im looking at reading this question....
Well, there are only three computers...
Windows XP?

just give me the points!

lol
A software!
there is only three computers in front of you
there isnt a fourth computer
There is no 4th computer
there are only 3 computers lol good 1
If there are only three computers in front of me where am i seeing a fourth computer.
Some form of mac emulating linux that can be installed on the etheral fourth computer.
your brain
There is no 4th computer there is only 3 computers
there is no fourth computer.

you said there are only THREE.
the fourth one is and Apple computer
worthless question
uh - well- the computer i'm working on of course
Linux?

or away from you?
there is no fourth cp!!! de de de
there is only three computers. so nothing because it doesnt exist.
There are only three computers in front of me, so the fourth computer isn't running anything.
it's a gateway laptop with a 3.06ghz processor. The one I am using to answer this silly question.
The third computer must be running away, as you only have three in front of you.
away from you....
Implanted inside of Spiderman of course! LOL! funny isn't it, he doesn't think so, you think we should cut him open and have alook inside?
It's one called "nothing"!