hi jamesh
i use my 56% wedge out the bunker of my course more time than i use the sand wedge as the sand is compacted and gritty. on my old course (links course with deep bunkers)the sand was very fine and i had to use the s/wedge as the 56% dug into much but one the inland course like you say the 56% works really well out the bunkers and hit the ball higher and softer than the s/wedge.
i also found a 60% or a 64% wedge was great for short chips and pitches when you did not use a full shot but i found it harder to get repeatable distance with both
clubs sometimes flying very high and short other time sliding under the ball so now i have a 60% wedge in the garage gathering dust.
cheers
bill