No MGS4 Demo in the Works.

"In the latest edition of the Kojima Productions Report Ryan Payton and Mark McDonald clear up some internet rumours, long story short... there is no demo." - N4G.com

Actual Source: http://mp.i-revo.jp/user.php/kp-ryan/entry/159.html

Tear, tear.

:cry:

I really wanted a demo.

That's what we get for getting our hoped up with a rumor