To comment on some of your points:

1) I accept 2001 is a polarising film. I love it. You don't. Fair enough. But it is unarguably far, far more spectacular on a big screen.

2) I actually quite like the Tarkovsky Solaris. It has an amazing final shot, for one thing. And yes, I also enjoyed Twin Peaks - all three seasons, and the Fire Walk With Me film. Again, I accept that Tarkovsky and Lynch are polarising and not for everyone.

3) Star Wars obviously deserves a place, but I omitted it purely because it is such a given that the original Star Wars trilogy is miles better at the cinema. I left out Christopher Nolan's films and The Lord of the Rings trilogy for the same reason. I wanted a more unpredictable list that would provoke discussion (as this has).

4) Whilst this list concentrates on cinema as spectacle, I don't believe enough is said about cinema as intense and intimate. The Exorcist falls into this category. Having all that hysteria in your face on a big screen is more immersive, and the excellent sound design helps. But I also included it because of what I mentioned about it being scarier at home (this is a personal list).

5) Star Trek: The Motion Picture is an interesting failure, with great visual effects and a tremendous music score. It does have a grandeur to it, and I admire it, even though it is deeply flawed. But a good shout. I saw a rerelease of that in the cinema some time in the mid-nineties, and it was spectacular.

6) Alien is a film I've caught several times in the cinema, and I agree with you it's an excellent choice. As I said in my article, there were many other great alternative choices that could have been made. Had included Ridley Scott though, I probably would have opted for Blade Runner.

Thank you very much for reading and commenting! :)

(Oh, and by the way - here's a film I consider pretentious, self-indulgent twaddle: Institute Benjamenta. The closest I've ever come to walking out of a film at the cinema. It had some good reviews, and has a bit of a cult following, but I found it excruciating to sit through.)