Are you looking for

• how to get started with Report Builder 3.0?
• videos and tutorials of how to create report parts?
• news about and downloads for Report Builder?
• pointers about Report Builder report design capabilities, such as sparklines and data bars, gauges, indicators, maps, creating drillthrough reports, subreports, page layout and rendering?

If yes, you should check out the new Report Builder portal on TechNet.