How can I convert a lot of word files to PDF at a time?

Hello, I have a large number of MS words documents, I need to convert them to PDF for my business presentation, I want to convert them at a time. I know MS word has the feature of "Save As", but it takes a long time to do it! Any suggestion?

 

I did some googling and here's a suggestion:
http://superuser.com/questions/17612/batch-convert-word-documents-to-pdfs-free

CutePDF is available here on Major Geeks:
http://www.majorgeeks.com/files/details/cutepdf_writer.html

The link for CutePDF in the article is from CutePDF's home site. Either are safe options.

Edit:
For the record, a good key word when you want to do a whole bunch of the same thing is the word "batch" in your search. I put this into a google search: