I dont have a best .. I have a few best for certain tasks tho
I have a 24 inch one thats best for clearing grass and light stuff , where you need reach , it packs one HELL of a whallop tho when you do have to move that branch .. I have a 14inch ish one thats best for up close country .. holding stuff out of the way , and cutting the prickley stuff thats going to catch the pack or whack the mrs in the face as it flicks off me ... I have a heavier bladed one thats best for me at chopping heavier stuff ... the kids use it instead of the axe even ...
I spotted a machete that mora make thats said to be best for ultra light backpackers ... I seriously want a look see at that one ....seriously so
but best overall .. I dont know that such a beast exists yet