A co-worker of mine by the name of Tim Heuer has done a very, very good thing!!! He teamed up with Foxit Software and has developed a great PDF Preview Handler for use in Windows Vista and Office 2007. It has a very small footprint and does a spectacular job! A big thanks to Tim.
To get more information on the tool and to get it, visit Tim's Blog: http://timheuer.com/blog/archive/2007/02/27/14001.aspx.