I currently half manage combat in Roll20 and half in HLO because my players like to see each others rolls (I suspect some suspicion of cheating
).
If, when the stage is actively managing an encounter, any roll performed by the next player to act (at the top of the list), were to pop up on all players (and DM) Stage, exactly as on theirs, would be awesome and help take the first step away from Roll20 and towards HLO.