This is a reputable site. I have downloaded from them for years and I have never had any problems. And it's not a sweeps, anyone who wants it can download it!
BTW, If you need a good, FREE, virus protection program. get AVG here:
http://download.cnet.com/1770-20_4-0.html?query=avg&tag=srch&searchtype=downloads&fil terName=platform%3DWindows&filter=platform%3DWindo ws
My DH works for a large government agency and they use this program and swear by it!