Hands down the best sheet(s) I've ever used. Great for anyone who likes having all of the important stuff right there on the front page. Also great for newer players as they can see their attack bonus, spell attack bonus, number of spell slots, and class features right in front of them without needing to flip back and forth through the PHB.
Both sheets are well organized and allow for all the information you may need without feeling overly cluttered or cramped. I have Personally used them for Barbarians, Warlocks, and Monks to great effect, and my friends have used them for Bards, Druids, Clerics, Sorcerers, and Paladins quite easily. Even those who've never played before.
My only complaint are that the sheets are not edible, as anything this well put together is most likely delicious.