I created these for my Nexus One, though being just PNGs they can be used anywhere obviously. I made two versions of them - with and without reflections. There are 26 icons of each version, they are 72x72 pixels.
You can also download the full PSDs for these at [link]
All the layers, shapes and effects are intact so you can resize them to whatever you need, or modify them in any other way.
Keep getting questions about the wallpaper
so here it is [link]
Also keep getting requests for "the dock"
It's not a "dock" guys, it's just a shape in PS with the awesome glass texture effect done by [link]Update:
Uploaded 30 more Codex icons [link]