Whats wrong with my CPU temp readings?

[STang57]

Hope this is the right section. Please move if needed...

I'm looking for some insight on which program offers a "more accurate/important" reading. IIRC, temps can be gathered from different parts of the CPU (die, DTS, thermistor, etc). Below are some idle temps. Any help is appreciated. Thanks in advance!

AMD X2 5600+ Brisbane @ stock 2.9ghz
Cool N Quiet enabled
Zalman CNPS 9700 heatsink/fan
room temp unknown (Bay Area climate)

CoreTemp
Core #0: -1c
Core #1: 6c

CPUID Hardware Monitor
Core #0: 8c
Core #1: 0c

SpeedFan
CPU: 48c

Asus Probe II
CPU: 24c

BIOS (Asus M2N-SLi Deluxe)
CPU: 44c

Screenshot (1404x950 213kb)
http://img211.imageshack.us/my.php?image=screenkl8.jpg

More system specs
http://www.anandtech.com/myanandtech.aspx?member=114525

 

[error8]

I always used Asus probe with my AMD chips, on asus mobos. But your idle seems a bit too low at 24 C. What is the room temp? You have to be able to at least guess a temp in your room.