Extropia DaSilva, one of the more significant SL folks whom I quote in my book, Apocalyptic AI, recently discussed ideas from the book at a Thinkers meeting in Second Life. She was kind enough to invite me but, unfortunately, I was unable to attend due to the summer research colloquium.
The transcript from her event is here.
There seemed to be issues of defining religion v. spirituality and religion/spirituality v. escapism (neither of which is necessarily a distinction i would make as they were being discussed: "spirituality" is a form of non-institutional religion invented rather recently and all religions, for whatever else they may also be, are to some extent escapism). They finished with an interesting discussion of the ontological status of SL avatars, focusing on what happens when an individual logs out of the system. The conversation seems (from the transcript) to have been reasonably lively and people seem to have been interested in the topic.
Whether or not I'm correct in seeing SL as a platform for religious activity remains, I'm afraid, as inconclusive as at the end of my book. : ) Regardless, it's nice that people are engaging the ideas and appreciate the Extro enjoyed the book enough to be passing along some of its content.