What Programs to run after building??

Hi, I just finished my first computer build and installed xp.

My question is, what programs should I download to check for stability, temperatures, speeds, benchmarks, etc? and I will be OC'ing shortly.

Also, on a side-note, is it normal that my CPU cooler fan (arctic freezer pro 7) sometimes seems like its trying to spin but does only half a spin, takes a ~2 sec. break, tries again and again, and repeats the cycle and then kicks in later on after a couple of minutes of doing that. Is it some sort of setting I need to change? I don't want to OC CPU until I am sure that there isn't a problem with the fan. I checked CPU temperatures at post while the fan was doing this strange cycle and it was at ~29 celcius.

Thanks for your help

Thing is thow, sometimes it does spin at full speed (or what seems liek full speed from what I see)
I have a 700w power supply, which works to power up everything else.

^^ select Menu/PWM mode, then adjust. Should be under power... or fans just look around.

Stability Prime, Orthos, Everest.
Realtemp > coretemp seems to be the general consensus atm. Personally i set PWM mode and adjust the speed myself to what im comfortable with. As long as its cool (Y)

I was unaware of realtemp! Being a AMD user.. it seems I have been living in the dark ages :|

Its dead simple, the cpu has to reach a certain temp before the fan comes on fully, it scares the hell outta you when you turn on to post but then it comes on a few seconds later, its no big deal!

O.K. thanks for all the help everything. I will try them all