I agree 6 would make an even greater hole if it were played from about 330y and most of the trees left of the pine were removed (but not the pine) so you could thread one between the lone pine and the OOB fence and try to run it down onto the green, with the obvious threat of Wodehouse's bunker if you cut or pushed it.
It would make a nice break after three long, tough holes in a row from 3-5 and before 8-10. But I doubt it could happen because there is a house over that fence that would be exposed. I think it's Ronnie Corbett's, actually.
I couldn't agree with 10 as a driveable par four, partially because you'd then have a driveable par 4 and a 9i/W par 3 back-to-back followed by a par five that can be dr/7i if you place the tee shot correctly.
Re: the 8th, I disagree a bit with you, John.
Yes it demands two perfect strikes, the second with a long iron or at best a mid iron, but with the clearing that has gone on in the trees lately, you should still have a chance to pitch out and have a good possibility of being able to play that pitch onto the green. It really is a pretty big green. A golfer of your ability shouldn't make more than 6 there unless a ball goes AWOL.
It's extreme, yes, but to me it feels right for the course.
But Sean is right that were the drive a bit more sedate, the severety of the approach might be more palatable.
The hill on the left definitely looks like it has been built up to increase the visual intimidation from the tee. I wonder how the hole might play with that reduced or removed down to the level of the RHS.
I'd also love to see a carry bunker reminiscent of the one on #2 at Swinley cut into the hill. That would look great, but as it is the hole needs no more intimidation!