Blogs

Varnish HTTP accelerator nears 2.0 release
Varnish on Gentoo
Varnish (Proxy Systems blog)
Varnish hacking is fun (Crucially.livejournal blog)

Newspaper develops groundbreaking HTTP accelerator (blog)
Squid vs Varnish (/highscalability.com blog)
Does this dream reverse proxy/web accelerator exist? (blog/discussion)

Presentations

High performance WordPress
The Norwegian Meteorological Institute presentation about yr.no (PDF, in Norwegian)
The Varnish Roadshow 2007 (Poul-Henning Kamp, PDF)
Assembling Pages Last: Edge Caching, ESI and Rails (presentation)

Articles

Get Glossy with Varnish
Rising stars - Norway’s expanding programming industry (Nortrade.com)
Lynrask webserver med Varnish 2.0 (in Norwegian. Summary)
Scaling PHP applications with Varnish (IBM developerworks)

Varnish and various CMSs

HTTP acceleration with Varnish (eZ forum)
Varnish Installation and Configuration (wiki.developer.mindtouch.com)
Varnish and Joomla
Escenic and Varnish