Just as the huge Eclipse love-in was getting started around here ...

Eclipse goes and eats my Ruby files.

I just discovered the best feature ever...

When using Eclipse with Subclipse you have the option to role back code for every save that you've made locally.

This might not sound like much but I've been burnt several time in visual studio where I think I'm deleting the correct file and click OK to the "This file will be permanently destroyed" message.

As Jamie said, we're doing some Python development in Eclipse, so I cooked up a quick Vibrant Ink-ish color scheme for PyDev. Here is the PyDev preference file for Eclipse.