good hardware monitoring program

[sucky noob]

whats a good program that monitors my cpu and motherboard so i can see the voltage, fan speed, and cpu speed from windows? i just started this whole oc thing. thanks for your help.

[Deathknight]

Motherboard Monitor 5 is real nice.

http://mbm.livewiredev.com/

[L337 M33P]

Motherboard Monitor 5 (mbm.livewiredev.com) - Free
Speedfan (http://www.almico.com/speedfan.php)
Hardware sensors monitor (www.hmonitor.com) - 30 day trial