You should check out the trialogues with Sheldrake, Mckenna and Abraham. Those will make you dizzy 
I've been meaning to get to those. I've finished only the first hour of the dialogue I linked above.
It's all great stuff but I'm not one to usually sit and just listen to someone talk. Part of the issue is if I do anything else I often get distracted and have to rewind.
I have a soft spot for Sheldrake. The determination he has at least is worthy of respect. And the data isn't wholly against him from what I understand, at least not yet since not enough studies have been conducted.