also after 15...Rf8 16. ef, 16...Nxf5 is better than gf. White still better but black is at least getting some squares.

I didn't check if this is anovelty or not. I didn't even check the games played here. I just pasted my analysis from my "old" notes. I discovered this solution a couple of months after Dembo's article in the DW KID book was published (where i first saw this line for Black).

If i am not mistaken there is a recent Yearbook article in this variation which also claims an advantage for White without mentioning the move Kg2. I have to admit though that if Black plays Bh3 he has good chances of counterplay. Computers don't see it at first but it is there! That's why i like so much the Kg2 move.

I continue to see the following line played and recommended here and there:

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Be3 Re8

There was a time i considered this line a refreshing and interesting try to play smething else, instead of the traditional 7...Nc6 stuff, but for a long time now i think that i have discovered a good line against it. My "discovery" is not something spectacular, or brilliant by any means. And that is what impresses me! Such a simple line produces a fat "+/=" which should discourage many from playing this way with Black, but still there are people out there playing it! Anyway, this is "my" solution:

9. d5 Nh5 
10. g3 Bf8 
11.Ne1 Ng7 
12. Nd3 Be7 
13. Qd2 f5 
14. f3 Nf6

So far, so good. We have been following the main line. Now i propose:

15. Kg2!
A very important move! White avoids ...fxe4+Bh3 and is ready to continue with his plan with the move
c4-c5

2 lines now:

A) 15... Bd7
is the only way that Black can take advantage of the
placement of the K on g2, but it doesn't work
16. c5 fxe4 
17. fxe4 Qc8 
18.cxd6! Bh3+
(18... cxd6 is met by 19. Nf2 followed by Rac1) 
19. Kg1 Bxf1
20. dxe7 Bxe2 
21. Qxe2
and White holds a clear edge. His idea is to play next
Bg5+Rf1 

B) 16...Rf8
Allows White to demonstrate his idea:
16. exf5
(16. c5 should be better for White also) 
16... gxf5 
(16...Bxf5 17. g4 with h3+Nf2 and 16... Nxf5 17. f4
are both better for White) 
17. f4
a typical positional idea. White is better

Am i wrong?