System Information and monitoring
AIDA32 - http://www.aida32.hu/
CPU-Z - http://www.cpuid.com/cpuz.php
Gkrellm - http://bill.nalens.com/
Motherboard monitor - http://www.majorgeeks.com/download.php?det=311
WCPUID - http://hp.vector.co.jp/
The Softwares listed here are free and legal.Enjoy.
AIDA32 - http://www.aida32.hu/
CPU-Z - http://www.cpuid.com/cpuz.php
Gkrellm - http://bill.nalens.com/
Motherboard monitor - http://www.majorgeeks.com/download.php?det=311
WCPUID - http://hp.vector.co.jp/