EVEREST Home Edition is a freeware hardware diagnostics and memory benchmarking solution for home PC users, based on the award-winning EVEREST Technology. It offers the world's most accurate hardware information and diagnostics capabilities, including online features, memory benchmarks, hardware monitoring, and low-level hardware information.
This product has been discontinued by it's makers, Lavalys, so no more features will be added from version 2.20. However they will continue to support the product until March 2006.
Download http://www.lavalys.com/