SharePoint, .Net, SQL, MS BI, Collaboration and Gadgets

First, there is a long post describe how to setup this features. http://aidangarnish.net/blog/post/2007/09/Indexing-and-Searching-PDFs-in-MOSS-2007.aspx.

Here are some steps need to be aware of:

• To have PDF icon in the doc lib, you still need to manually copy and paste the pdf icon image into the TEMPLATE > IMAGES folder, and map the image file with the file type in the DOCICON.XML file (in TEMPLATE > XML folder).
• To crawl contents of PDF files, we need to install Adobe PDF IFilter 6.0 (download free).
• Add new file type (.pdf) in your search setting. The settings is under central admin > Shared Service Administration > Search Settings > File Types
  /ssp/admin/_layouts/managefiletypes.aspx