• Consider a FAST Search Server for SharePoint 2010 if you need advanced search features, such as thumbnail views, visual best bets, or tunable relevance ranking.
• Understand the tools available that enable for customization of search relevance.
• Use Federated Search when the content source is simply too large or changes often.
• Customize the search center experience to fit the needs of your organization and to make it easier to find the type of data commonly requested.