This is a list of FAST Search Server 2010 for SharePoint resources you can add too, and feel free to rearrange.
Troubleshooting installations Installation: Configuration wizard fails (TechNet) Disabling 'Secondary Logon' stops service from starting (blog) Troubleshooting Post Setup Configuration Failed (wiki) My Troubleshooting Best Practices for FAST Search Server for SharePoint 2010 Installation [Updated] (blog) Troubleshooting: FAST Admin DB (blog) Microsoft Search Server 2010 and Microsoft FAST Search Server 2010 Known Issues/ReadMe (Office)
Troubleshooting SANITY CHECK - PS commands and steps to assist your troubleshooting efforts FS4SP-SANITY CHECK (wiki) FS4SP-Error Message Reference Guide (wiki) Configure standalone mode (Microsoft Download Center) Add/Remove a column (Microsoft Download Center) Manage crawling Configure and use the Documentum connector (wiki) Monitor
Configure and use the Documentum connector (wiki)
Crawling Crawling with the Content SSA or the FAST specific connectors (TechNet) Debugging the Crawler Parsing in FAST Search for SharePoint 2010 (blog) Crawling case sensitive repositories using SharePoint Server 2010 (blog) Best practices for indexing file share content (wiki) Pipeline extensibility Customizing item processing (MSDN) Debugging and logging for pipeline extensibility stages (blog) Debug and log FAST Search pipeline extensibility stages in Visual Studio (blog) Using pipeline extensibility to view all crawled properties (script) BCS Creating .NET Assemblies That Aggregate Data from Multiple External Systems for Business Connectivity Services in SharePoint Server 2010 (MSDN) Configuring Business Connectivity Services (BCS) Search in SharePoint 2010 (blog)