In this Ubuntu cycle, I work on getting the units policy implemented. For this I wrote a library called libkibi. Here are some screen shots how nautilus looks like with libkibi. Some changes are highlighted in red.
The file properties will show the file size in base10 and base2:
PS: I failed to launch nautilus in English. Therefore the screen shots are in German.
PS²: You can grab the modified nautilus package for Ubuntu 10.10 (maverick) from my experimental PPA (at your own risk!).