I originally published my work in early December, 2006 and immediately thought about it when I read the news story about the RivaTuner plugin. In the link below you will find a Core (works with both Core "1" Solo/Duo and Core 2 Duo / Quad (up to 16 cores can be monitored simultaneously) Temperature Monitor Plugin for Motherboard Monitor 5 (MBM5).

TheTechRepository