While the game has been in retail stores in Europe for a little while now the US version of ArmA II is now available for purchase and download via Steam. The military shooter sequel from developer Bohemia Interactive will also be shipping to stores in the US on July 7.

Just in case you are interested here are the PC hardware specs for the game:

Minumum:
• OS: Windows XP or Windows Vista
• Processor: Dual Core CPU (Intel Pentium 4 3.0 GHz, Intel Core 2.0 GHz, AMD Athlon 3200+ or faster)
• Memory: 1 GB RAM
• Graphics: GPU (Nvidia Geforce 7800 / ATI Radeon 1800 or faster) with Shader Model 3 and 256 MB VRAM
• Hard Drive: 10 GB free HDD space

Recommended:
• OS: Windows XP or Windows Vista
• Processor: Quad Core CPU or fast Dual Core CPU (Intel Core 2.8 GHz or AMD Athlon 64 X2 4400+ or faster)
• Memory: 2 GB RAM
• Graphics: Fast GPU (Nvidia Geforce 8800GT or ATI Radeon 4850 or faster) with Shader Model 3 and 512 or more MB VRAM
• Hard Drive: 10 GB free HDD space