Here are some blog posts by others :)
Want to know a little more about our build system?
How about a write up from one of the engine writers on changes he is making for the new engine interface:
We keep adding more tools to our regression system, here is a load emulator:
A mention of Drizzle from RedMonk:
Finally, a blog on moving Wordpress to Drizzle:
Getting Started with Drizzle and PHP: