5w (Callaway UW 19º) for me as i've always struggled with any hybrid even after lessons. I can move my hands down on the UW a bit to get the ball out of most any rough. If I cant then i doubt a hybrid would help. Also looking to add a 7w to possibly replace the 4i.
Porzak Golf and Easiest Swing are the 2 i watch the most for swing thoughts/technique.
Not everything they teach works because not tailored to my swing but there are always little nuggets in their vids.
I feel they are a good starting point for finding loft and bounce, but as all fitting apps they seem to direct you to most popular and not necessarily the proper fit (golf ball fits for example)