well i made a small upgrade not long ago & I can run ArmA 2 on single player just fine
As well as AA3 ,TF2 . L4D etc.
with this
Amd Athlon 7750 duel core 2700Mhz
4Gb ram
Nvidia gts 250 (1GB Ram)
hopefully It will play HOS smooth?
When I go to the Can I run It page
http://www.systemrequirementslab.com/cyri/
& try against all the newest unreal 3 engine games , it comes back saying I should be able to run them all fine ,...im not sure how its calculating my processor though ,...
for instance heres the results for Batman: Arkham Asylum
Minumum
CPU
Minimum: Intel Pentium 4 3.0 GHz or AMD Athlon 64 3500+
You Have: AMD Athlon(tm) 7750 Dual-Core Processor
PASS
CPU Speed
Minimum: 3.0 GHz
You Have: 2.71 GHz Performance Rated at: 5.2845 GHz <<<<<Not sure about this ?
PASS
RAM
Minimum: XP = 1 GB, Vista = 2GB
You Have: 4.0 GB
PASS
OS
Minimum: Windows XP & Vista
You Have: Microsoft Windows 7 Home Premium Edition (build 7600), 64-bit
PASS
Video Card
Minimum: 128 MB 3D Graphics card (NVIDIA GeForce 6600 or ATI Radeon X1300 or better)
You Have: GeForce GTS 250
PASS
Features: Minimum attributes of your Video Card
Required You Have
Video RAM 128 MB 2.7 GB
Hardware T&L Yes Yes
Pixel Shader version 3.0 4.0
Vertex Shader version 3.0 4.0
Free Disk Space
Minimum: 9 GB
You Have: 377.6 GB
PASS
Reccomended
CPU
Recommended: Core 2 Duo E6600 (2.4 GHz) or AMD Athlon 64 X2 4600+
You Have: AMD Athlon(tm) 7750 Dual-Core Processor
PASS
RAM
Recommended: XP = 2 GB, Vista = 3 GB
You Have: 4.0 GB
PASS
OS
Recommended: Windows XP & Vista
You Have: Microsoft Windows 7 Home Premium Edition (build 7600), 64-bit
PASS
Video Card
Recommended: 512 MB 3D Graphics card (NVIDIA GeForce 7900 GT or better)
You Have: GeForce GTS 250
PASS
Features: Recommended attributes of your Video Card
Required You Have
Video RAM 512 MB 2.7 GB
Hardware T&L Yes Yes
Pixel Shader version 3.0 4.0
Vertex Shader version 3.0 4.0
Free Disk Space
Recommended: 9 GB
You Have: 377.6 GB
All latest unreal 3 engine games get pretty close to the same results , The only unreal 3 game I actually have is AA3 & it looks & runs perfect , so I dont know how much more hard HOS is going to be than most current unreal 3 engine games , which according to system requirements lab ,..i shouldn't have a problem with i guess