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C4 Mustang 30.
I used to dive with the Falcon 30 for the same type of diving when my weight was 75 kg, and they were great (as well as the Omer Rekords, wich are a very little bit softer)
Now if you like the Wahoos, get the Mustang 30: same stiffness grade of the Falcon 30, design of the Wahoo but with a carbon blade, lighter than the polyammide/glassfiber black Wahoo, which is said to have the same performance and the same "snap" of Mustangs but with a heavier blade.
Of course the difference is also in the price:
black Wahoo: 140 euro
Mustang 30: 240 euro.
up to you.