Based on Steam v1.02/Build 5487187 release: 2.9 GB, thanks to valtrix1982!
100% Lossless & MD5 Perfect: all files are identical to originals after installation
NOTHING ripped, NOTHING re-encoded
Significantly smaller archive size (compressed from 2.9 to 1.5 GB)
Installation takes 30 seconds
After-install integrity check so you could make sure that everything installed properly
HDD space after installation: 3 GB
Language can be changed in game settings
At least 2 GB of free RAM (inc. virtual) required for installing this repack
Operating System: Windows 7 x64
Processor: Intel Core 2 Duo E4500 @ 2.2GHz or AMD Athlon 64 X2 5600+ @ 2.8 GHz
RAM: 4 GB
Video Card: GeForce 240 GT or Radeon HD 6570 – 1024 MB (1 gig)
DirectX: 9.0c
HDD Space: 3 GB