Psionics in 4th Ed: I'm not getting it...

[Refplace]

Originally Posted by Ulzgoroth

I'd say that chapters 1 and 2 make it a valuable book whether or not you find chapter 3 useful.

Exactly my point. I even found it useful enough that I bought it twice, PDF and later the softcover.
Yet the head slapping beauty of it is not that its a bunch of new rules but a fleshing out of existing material and in such a way that you still felt you got your moneys worth.