New search query capabilities: boolean query syntax (AND, OR), prefix matching (i.e. Micro* for Microsoft and microchip), autosuggestion, federated search connectors for searching from Windows 7 directly etc.
Search results: refinement panel, people search improvements, phonetic search, relevance improvements etc.
centralized search UI, Farm Configuration Wizard
Search service administration independent of other shared services
Improved performance and throughput
Search Products Portfolio Solutions for Internet Business Solutions for Business Productivity Integrated with SharePoint Stand-alone Entry-Level Solutions Search Server Search Server Express SharePoint Server for Internet Sites FAST Search for SharePoint Internet Sites SharePoint Server FAST Search for SharePoint FAST Search for Internal Applications FAST Search For Internet Business