To my knowledge LVs most iconic design top 3 are the Speedy, Alma and Noe. Based on your preference especially as your first Louis piece I’d say go for Speedy 25, or alma BB. Personally hands down Speedy 25 for me.
Alma BB or Speedy Bandouliere. I would pick the alma since you favor that one more but if extra room is needed, go with the speedy. Both are beautiful.
The Classic speedy 25 monogram canvas. You can’t go wrong with a speedy. I just purchased my first Classic speedy in damier ebene in the size 30, as my christmas gift to myself and I’m in love with it.