The jump into the 1d series is a big one and I know when I made the swtich I was looking for as much information on how to use everything as I could find. Here is a quick list of the majority of the things you need.

I recently picked up a few old Olympus Zuiko wide angles and used adapters to fit them on my EOS camera. Here are a bunch of useful links when looking into manual focus lens on digital bodies.

.htacess files are great for 301 redirects, enforcing security as well as many other useful configuration tools.

Most of these are pretty good tips, its worth the quick read.

I have been looking for some time for a simple way to do URL rewriting on my e-commerce systems. Most of them have required static rules be made etc. Finally a simple way to take care of this, I used approach #1, which is Request.PathInfo. This is definately worth looking into.

75+ video tutorials from Microsoft on getting started with AJAX.

An excellent resource for digital photographers.

Some interesting shots of the Northern Lights, incredible.