•Dual core CPU, up from a single core at 1.4 Ghz. It looks like it may mention a Intel Pentium D rather than Intel Pentium 4.
•2GB RAM (or 1GB for Windows XP), up from 1GB RAM.
•The X1800 Pro (2005) is now the minimum required GPU, up from the 9500 (2002), which may no longer be supported.
•The GeForce FX 5000 series (2003) also has been dropped from the minimum requirements, replaced by the 6800 (2004).
•The minimum hard drive space is still 25GB.
•The minimum resolution is 1024x768.
•4GB RAM, up from 2GB.
•64bit Windows 7, up from 64bit Windows Vista/7.
•Intel Core 2 Duo 2.2 GHz or AMD Athlon 64 X2, up from the Intel Pentium D.
•Nvidia 8800GT, up from the 8600.
•AMD 4830 512MB, up from the 2600.