I own the whole collection of Hitchcock films (not all of them, just these ones and the ones in volume 2) and I thought they were great. I'm only 13 now, and I enjoy these old films a lot. Hitch was a fine director.
The trouble with Harry: This is all about a group of people who find a dead body, and have no idea what to do with it, and they don't want to start a panic. Not a favourite, some funny bits in it, which aren't funny for our time, and a bit of romance. Pretty weak.
The man who knew too much: This is a better film about a family (mum, dad and son) who go on a holiday, but while there the father hears the words of a dying man, then his son gets kidnapped, and will die iof the father speaks of the words. A much more enjoyable film, Jimmy Stewart is great.
Rear window: A classic, although it's not a favourite of mine. Jimmy Stewart is great again, suspenseful, but I didn't find it to be great. All about a man who is in a cast and watches people in other apartments with a telescope. But one day he is convinced that a man has killed his own wife.
Rope: A very short film, with such a small cast, and a small setting. There is only one scene in it. All about a real life case, where two college kids strangle a boy, and hold a dinner party in the same place, with the boy hidden under the table. A found this more interesting than Rear window, and again, Jimmy Stewart.
Shadow of a doubt: Why Hitchcok's favourite film, I don't know. It's good, but it isn't great. All about a family who get a visit by the Uncle. They love him, but soon the daughter of the family believes he's a killer. Could he be? A nice thriller with a nice ending, good film.
Saboteur: One of my personal favourites from Hitch. Set in the WW2 times (even though it was made about that time), about this factory that gets a fire, and one of the rescuers dies in it. The rescuer's best friend is accused of his death and goes on the run to find the real people responsible. A forgotten classic, with the underrated actor Robert Cummings.
Psycho, the bonus film: Arguably the best Hitchcock movie ever. May be. About a woman who steals some money from her boss and runs away. She stops at the Bates motel, looks like a nice place, but is it? There, she gets stabbed to death in the shower (what a famous scene) by an unknown killer. Days later, the woman's sister begins to get worried, and she wants to know what is hapenning there. A horror classic.
Some good films there. If you're only just getting into Hitchcok, try this. Or you could get the entire collection that I've got, with these films, and a host of others.