Detailed walk through with pictures on how to open and disassemble the Kindle 2. The battery is fairly easily replaceable.
Handy howto edit PDF metadata using pdftk. In summary: `pdftk file.pdf dump_data output file.txt`, `gedit file.txt`, `pdftk file.pdf update_info file.txt output newfile.pdf`
Quick tip on how to eject an Amazon Kindle on Ubuntu. sudo eject Kindle (or appropriate device name if you changed it).
I think this was the original "tether your kindle via usbnetworking" post. The same fella also hacked his Kindle to get Ubuntu running (more or less) on it.