This might sound harsh but... If I had to participate in anything and was directed to download documents, I'd rather have these hosted on more professional services such as Google Docs or Windows Live Skydrive than hosted on a site like that.
True, but you are a mature (I hope) professional, the guys we deal with are generally younger gamers and like websites like Megaupload. It was the agreed upon service by the council which runs our community so that's what we used.
We now use Scribd