Purchasing the Orange Box on Steam has left me with an extra copy to gift away. All my mates already have it, so I thought I'd throw it out there to the community! First come, first serve.
Here are the minimum specs:
Processor: 1.2 GHz Processor
OS: Windows, 2000/XP/Me/98
Graphic card: DirectX 7 level graphics card
Hard Drive: 4.5 GB
Memory: 256 MB RAM
Other: Internet Connection, DVD-ROM Drive