Vikram i think you need not have to wait for an installable version --- it is online --- you can start using it
http://beta.selfplatform.eu/SELF i have already used it and you dont have to worry about the changes that takes place to SELF as all the courses that will be defined will be retained in the later versions also ---
also organizing is excellent here --- there are many features which have experience very important
http://beta.selfplatform.eu/SELF while authoring in a collaborative way
so go ahead all the best