I just re-installed eclipse, using the latest version (Indigo / 3.7), and I run into the exact same problem as I did half a year ago. I installed the eclipse java IDE, now h
Go to Window --> Open Perspective --> Plug-in Development.
This should show some of the features that you are missing.
If you downloaded the Eclipse IDE for Java Developers then you will not have PDE pre-installed. It is included in the Eclipse Classic download. The simplest way to obtain PDE is:
In step 3 you can also get to it by expanding "General Purpose Tools" and then scrolling down to Eclipse Plug-in Development Environment.
For anyone coming to this page in the future, The package you want to install is the:
Eclipse SDK
Which I found on the the http://download.eclipse.org/eclipse/updates/3.7 update site