Eclipse tips:

1) How to change Java font:
   Preferences -> General -> Appearance -> Colors and Fonts -> Java Editor Text Font

2) How to change console font:
   Preferences -> General -> Appearance -> Colors and Fonts -> Debug -> Console font

3) How to change size of Package explorer (on Mac OS X):
   - Download and run TinkerTool (http://www.bresink.com/osx/TinkerTool.html)
   - Change Help Tags

4) How to change font size of xml files:
   - Preferences -> General -> Appearance -> Colors and Fonts -> Text Font