> Is there something like http://www.squires-eng.com/graphinfo.html for PC
> hardware too.
> Have anybody tried that or done that?
> That's because i'd like to measure my firewalls cpu temperature for
> be'ing positive that nothing burns in ;)
Burning in is probably ok ;) you don't want anything burning out though!
Check the FreeBSD ports collection, specifically sysutils:
A few utilities that spring to mind are lmmon and healthd.