I am building a system and I would like some advice on how many watts I will be needing! I've used the PSU calculator, but I'm just curious as to the results that people are getting in real life. Here are the rough specs: Gigabyte GA-965P-DS3 2x Corsair XMS2 DDR800 1GB RAM Intel Core 2 Duo E4300 or ...

Yes, I believe it will reach. Here is a picture of a P180 with a Corsair HX-520W PSU and ASUS mobo...

http://img222.imageshack.us/my.php?image=img0447mn8.jpg

But it will probably depend on the motherboard configuration as well...