It's skewed heavily to really really new stuff (and they're on the money with Kendrick, Chance, J Cole) but …
https://docs.google.com/spreadsheets/d/1Qpbd-fHbMyfWXlWPRA_X...
https://docs.google.com/spreadsheets/d/1ewEzXRHj8LGvUB3g9Qbn...
The best place to start is https://reddit.com/r/hiphopheads