I found this challenging and it really made me ask questions about why we belive what we do. Not questioning the fundamentals of orthodoxy as such, but more about what the Church is and why and how we go about what we do in the contemporary world.
It's left me with many more questions than answers but I'm ok with that.
Most of all it made me think and I'm very thankful for that.
It's long and dense and his delivery might drive you round the bend, but I think I like alot of his central thesis.