the Pure is pretty great. it has quickly become one of my favourite boards, and is my current driver at work. as Jabar said, the Pure and the Ducky are indeed very different boards. transitioning from fullsize to 10key to 60% is a surprisingly large jump, and getting used to the fn layer on the Pure will take some time. (i still have a lot of trouble not combining left shift with fn keys.) if you like f-keys and dedicated arrows, get the ducky. if you want the smaller retail space on your desk and don't mind adjusting your typing habits for a more unique board, get the pure.
in terms of quality, both are fantastic boards. the higher end duckys are both well built, and pretty to boot. in my opinion, they're close to, if not on par with the filcos and leo's.
on the same note, the pure, while super light in comparison, feels solid. I have yet to notice any significant flex while typing (granted i'm typing on reds) and the little guy is a fun board.
but yes, choosing a board should be based on the switch-type that you enjoy most, the aesthetic that is most pleasing to you, and the function that you find the most useful. both boards are nice, so it's hard to go wrong either way. good luck and enjoy!
