http://blogs.technet.com/patricg/archive/2008/05/13/sql-server-perfmon-counters-for-access-methods-and-buffer-manager.aspxA serie of 4 screencasts by Kevin Kline, where he goes through significant Perfmon counters for tracking Windows and SQL Server activity. Part 1: SQL Server PerfMon counters for tracking Windows memory Part 2: SQL Server PerfMon counters for Windows operatingfr-FRCommunityServer 2.1 SP1 (Build: 61025.2)