I updated Speccy to the current version as of today (actually, did it two weeks ago, but the version hasn't changed). I originally updated Speccy as I saw that the speed of my memory wasn't being reported correctly. The current version fixed this, but broke the temp reporting on the motherboard. Speccy reports a new temp of 64C while the ASUS included OC software shows a correct temp of 36C (same as the previous version of Speccy showed).
I'm not sure if this is due to the appearance of newer P67 motherboards. I am just sharing as it appears that no one company has yet produced an all-in-one utility to cover the broad range of hardware out there. I find on a regular basis, when looking at system specs, several software apps are needed. However, Speccy is still one of my favorite and the one I recommend everyone have.
Hopefully, the next update will "un-break" the reported temps in my case.
Edit: Forgot to mention I've attached a screenshot of the comparison.