Search, search, search! Please find some useful pointers on the subject, including a great book I read recently that just got published last month that explains very well our search strategy and offerings; in case you missed it Microsoft positioned in the Leaders Quadrant of the 2008 Information Access Magic Quadrant. Finally if you want to search Project Server data check this: Search Project Server data using MOSS' BDC and Enterprise Search - CodePlex Solution Starter
|Portal : Microsoft Enterprise Search|
|Book : Professional Microsoft Search: SharePoint 2007 and Search Server 2008 (Wrox Professional Guides) by Tom Rizzo, Richard Riley, and Shane Young.
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|Team Blog : Microsoft Enterprise Search Blog|