FanFic Not recommended
Life In Manehattan is a My Little Pony Friendship Is Magic Alternate Universe in which Twilight goes to Manehattan instead of Ponyville. It has 6 stories so far, written by 4 different authors. Unfortunately, I cannot recommend this 'verse.
The original story, Wrong Place at the Right Time, sets up the 'verse. Unfortunately, the characters and plot are very weak. Octavia is probably the worse; she speaks in Ice Cream Koan phrases for no reason, which is annoying, and is otherwise a very stereotypical Elegant Classical Musician with no personality of her own. Orange Sherbert is the Generosity Bearer and is also immensely rich, which sort of defeats the point; generosity has little meaning when you can give away millions of dollars and not even notice it. The idea of Honey Do as Daring Do in disguise is interesting, but not much is done with it and her motivation for keeping her identity secret is weak. The trials to get the Elements have moments of awesome (crashing subway train, wrecked museum with living monsters), but the plot doesn't bear it out. The Laughter trial in particular is very weak; Trixie mocks the monsters, but it doesn't seem like she needs to — her standard magic is enough to defeat the enemies. The Loyalty test is just Blossomforth opting not to run to safety, which seems a rather low bar for the Bearer of Loyalty (canon! Dash was tempted not just with leaving, but also with obtaining her dream). All in all, there are moments of brilliance, but the story doesn't stack up.
Most subsequent stories are even weaker. 'Hurricane Blossomforth' and the Daring Do story are both written in an extremely terse and repetitive style that reads more like a script than a story. I couldn't get through either because the writing was so short, blunt, and bad. 'Brag Her Down' is just a Hate Fic directed at the Mare Do Well episode; when a small adorable foal is asking the Elements, "Are you all horrible bullies, Momma?" things have gone too far. It has flashes of brilliance, but the clear hate towards the original episode just makes reading it a chore. The best fic of the bunch is 'Apples to Oranges,' a fun romp at the Apple Family Reunion, although hampered a bit by Orange's vast riches making her acts of Generosity relatively trivial. It also has a superfluous Fiddlesticks cameo. It's pretty good overall, but it can't save the verse.
FanFic Life in Manehattan is okay.
I have to disagree. Although fanfic can get tough at times to read, I found this enjoyable. But I will agree that the Daring Do and Hurricane Blossomforth are weak, but given the author is just starting out. The stories may tend to carry on, but the author said he tends to make edits and gets help from the community to help him fix his errors. I cut him a break, and it shows that it's worth the effort. The other stories are great like Apples to Oranges and Brag you Down. Apples and Oranges not only takes a twist on what may happen if 'Applebuck Season' did not go well, but also delve into a characters psyche and back story. Brag you down does an amazing job of combining the episodes of 'Boast Busters' and 'Mysterious Mare do Well'. I can see the hate for Mare do Well, but I found that the different twist to that episode made the fanfic even better. The DJ-PON 3 Party also is a good fic on the popular Octavia/Vinyl Scratch pairings. Another story on a starting author, this shows promise for his skills and writing. This may not seem big compared to the other AU groups out there, but this one shows something they like to do, despite what many critics may say, I'd say give it a chance, there may be one fic you will like.