Legit Valve Portal for free

[cyber]

This offer is only for NVIDIA users mind - You will need steam installed, it will auto detect whether you have a Nvidia Chip or not =)

It also includes some other games:
Half-Life 2: Deathmatch
Half-Life 2: Lost Coast
Portal: The First Slice
Peggle Extreme


http://www.steampowered.com/nvidia/#



Enjoy.