Blackwell is pretty good. I played the whole bundle in order and its interesting to see the series evolve. The writing is good and voice acting is usually pretty good, but the pacing and the puzzles is not great in the older games. But 20$ for the bundle is a fair price. You should play those if you enjoy noir.
Save the money and buy the normal edition. Steelbooks only mess up your shelves and in-game stuff is usually not that great. And judging from some previews you should maybe wait for the reviews to come out before spending your money.