I didn't want to say - lol - I've read a lot of forum threads dissing it. It's an Arctic 500W, but I'd been delighted with a bunch of Arctic fans I bought once, so I trusted the company with my PSU.
(Discontinued, so no info available: http://www.ebuyer.com/product/124922
My concerns come from this http://www.tomshardware.com/reviews/geforce-8800-gts-512-mb,1743-13.html
which suggests my graphics card could draw as much as 227+watts, but wikipedia says a 8800 GT has a 105W TDP. Shortly after reading all this, my brain went wibble and I needed to ask for help.
Edit: I found this, http://www.pcpower.com/technology/power_usage/
and after a quick totting up (using the high end for most parts), I soon racked up a large number of W's.