I make the distinction between ego death (full ego loss) and ego, hmm, diminishing, or shrinking. My first mushroom experience was the most profound of my life, and I experienced what I generally used to say was ego death. However, in actuality a tiny part of my mind was still aware of "myself" - it's just that my concept of self and the memories of my life and all that goes with it had shrunk down into an insignificant little speck in the massive stream of god-energy I had joined/become/awoken into. Thus, I have strong memories of this time period, although of course I can't even begin to conceive of how it was to actually be there other than some weak impressions. This is what I have come to call "ego reduction", rather than complete death. Also, this process is much, much gentler and easier than total annihlation, which the ego fights valiantly to stop despite everything we know.
On the other hand, the other ego loss experience I have had was with 2C-E more recently, and during that experience, I was slowly (and painfully) losing my ego. it was dying little by little, step by step. At some point I grew too weary to continue fighting it and I relented for a moment, and the next 25 minutes passed in an absolute blink of an eye - I literally seemed to blink and the clock jumped ahead 25 minutes and I was significantly down from where I had been. I think in this case I DID experience true and complete ego loss (felt more like death actually), and "I"
didn't experience it
at all once it finally culminated totally.
Fortunately, the process leading up to the death was experienced by "me". so I took something useful from it. Fascinating stuff... the ramifications should be studied rather than demonized.
I've linked to these before on these boards, but for anyone wanting some reference to what I'm saying, the mushroom experience I refer to is here:
http://www.erowid.org/experiences/exp.php?ID=46265
And the 2C-E experience is here:
http://www.erowid.org/experiences/exp.php?ID=48983
Without the ego, we would realize we are all one and we are all "god". But living a physical existence, having an ego is necessary. This is why I consider experiencing ego reduction, at least, to be a very important part of being a human that would be a real shame to miss out on.
EDIT: Slippy, the same happened with my 2C-E experience. EXACTLY the same as you described. 2C-E seems to have a propensity for violent ego death, as opposed to some others (like mushrooms) that are a little gentler about it. 2C-E probablyt fascinates and frightens me more than anything else at this point because it seems to deconstruct reality in a way that nothing else has come close to for me. I get chills just thinking about it...