Welcome to the archives. This is where all the old stuff is located, stretching back to January 2002. If it's on this site, you should be able to find it here.
If you're looking for something specific, try a search:
Alternatively, the title of every single post in the main blog is provided below in reverse chronological order. You can view entire months too.
The "Browsing" linklog archives (April 2004 to November 2006) are a little bit further down the page.
If it's all too much and you have no idea where to start, allow me to offer you a few recommendations of posts that I still like when I re-read them.