Here's a boot animation I made by combining the simulated BIOS and the Windows 7 boot animation. I also edited the BIOS text to 2.2. If your phone is rooted you can change the boot animation easily with Absolute System Root Tool or you can do it manually. This is for a Droid 1 but the size and speed can be changed by editing the desc.txt file inside of the zip. just open the text file and edit the top row:
480 800 20
First 2 numbers are the resolution and the last is the speed. The speed is usually in increments of 10. You may need to speed up the animation if your phone boots faster than mine or the whole animation won't show as it's rather a long boot animation. The last part of the animation loops so if your phone boots slower it doesn't matter. When done editing you need to zip using "store" as the compression method or it won't work.