bitComposer Games' S.T.A.L.K.E.R.: Call of Pripyat Website now has a Q1 2010 release date for the upcoming S.T.A.L.K.E.R. Game, throwing cold irradiated water on hopes of an imminent release since the game just went gold in Russia. They also offer system requirements for the game:

SYSTEM REQUIREMENTS

Minimum
OS: Windows® XP
CPU:
2.0GHz Intel® Pentium® 4 or AMD Athlon™ 2200+
RAM:
512 MB
GPU:
128 MB RAM DirectX® 8.0 compatible Card e.g. GeForce 5700 or Radeon 9600

Recommended
OS: Windows® Vista®
CPU:
Intel Core 2 Duo E7400 or AMD 64 X2 5600+
RAM:
2 GB
GPU:
512 MB RAM DirectX® 9 or 10 compatible Card e.g. GeForce 9800GTX or Radeon HD4850