I am looking for all addresses related to:
In the spirit of answering my own question, I do have an answer for:
However, If you have further addresses, either for eclipse or other eclipse components, please publish them here.
For eclipse 3.6 Helios (see above for eclipse3.5), from "Catching up with Milestones and I-Builds"
The p2 repos for Eclipse are not only for the stable releases, but also for the Milestones, I Builds and Nightly builds:
See Eclipse Project Updates Sites
Prakash G.R. in his post advices:
Go to your Preferences and add the required repo in your Available Software Site preferences (and disable all others, it will be slow to update).
Also enable the automatic updates. You are done. Whenever there is a new Milestone (or an I-Build), then your Eclipse gets updated automatically to it and you don't have to worry about installing other required plug-ins