There is no denying the fact that AMD has been hell-bent on providing the CPU market with some much-needed value options as of late. While this approach hasn't led to any direct competitors against Intel's high-end products, there are several Phenom and Athlon processors that feature an excellent price / performance ratio. Today, AMD is releasing two more quad core Phenom II CPUs: the enthusiast-friendly X4 975 BE and the sub-$120 X4 840.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips