Worth putting a rom onto this phone (D838) topic

Hello I've had this phone for around 7months or so and remained stock rooted as I hoped for more development but as it seems things are happerning but at a slow pace, I now want to put a rom on I'm looking at the 5.0.1 version but I don't wanna to mess about I just want to flash a rom and leave it so can anyone recommended a rom and let me know if the overall performance is better the stock 10f D838

Many thanks. :)