HTTP Compression in IIS 6.0

Found several good links on HTTP compression in IIS 6.0 and website optimization in general, as well as website monitoring.

Using HTTP Compression for Faster Downloads (IIS 6.0)
HOW TO Enable ClickOnce Compression on IIS
IIS Compression in IIS 6.0
ZipEnable 3.0 for IIS 6.0
Real-Time Compression Check

Website optimization and speed in general.
Free Website Performance Tool and Web Page Speed Analysis
IIS 6.0 – Enhanced Compression and Consolidation

ISA and IIS compression:
Really Getting ISA and HTTP Compression to Work Together

For Enterprise monitoring and website measure:
Keynote – requires subscription.