Change your skin

If you love the default netbean's look and feel, but you are in windows, you can change it:

1. you must to edit the next file
/Applications/NetBeansIDE5.0Beta.app/Contents/Resources/NetBeans/etc/netbeans.conf

2. so that the line beginning netbeans_default_options includes the option:
--laf javax.swing.plaf.metal.MetalLookAndFeel