I haven't played LA Noire, but my boyfriend and some of my friends have. My boyfriend found it really boring because it's "all about driving back and forth to find clues and solve mysteries and that's all you do", but some of my other friends are completely obsessed with it and play it for hours on end, haha. I guess, as always, not everyone will like the same things.
Red Dead is something I have though, and I reaally like it! I still haven't completed the story mode yet. I read spoilers by accident, and so I don't feel any desire to finish it...but I enjoy multiplayer a lot! Though most people I play with just want to do co-op things instead of posse vs posse. I think Red Dead was a big step for Rockstar, they did a good job on it!