docstoc.com

Are you looking for sample documents? Or do you want to share a document with someone but the document is  too large to be sent by email?

docstoc.com has lots of sample documents and also allows user to upload documents. You can upload a document as large as 50MB. You can also set your uploaded documents as private or public.

docstoc.com of course is at http://www.docstoc.com/.