When you post this
Get a nice 400w ps for 20 bucks or jump on craigslist and find something local.
It does tend to infer that you are suggesting something cheap and generic.
The PSU you linked to is obviously on special offer and you would usually expect to spend around its usual retail price to get a PSU that would be considered adequate in the 400 Watt area.
So the inference that you can get a reputable PSU for the special offer price you linked to is at best misleading and borderline irresponsible.
robjordy is 100% correct, a cheap PSU is a cheap PSU and as such should not be touched with a barge pole.
Yes the PSU linked to is a reputable brand and would be up to the job, assuming you knew about it before hand and didn't run a search to back up what you were saying i suggest it would have been easier all round had you linked to the PSU in question in the first place.
Back to the case at hand.
What is the card ? and what is the PSU ?
Card manufacturers over quote the needed power and some like Dell's PSU's are actually quite under rated.