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remarc said...
I'm 6 foot, 82 kg and have been surfing a 5' 4". With a bit more youth (I'm 46) I would probably use a 5'2". These boards are designed to be surfed short and stack heaps of volume for there length. Amazing fun in small waves and you can catch anything on them. Not trying to discourage but due to the short length they could maybe be a bit twitchy for someone with 1 year experience. There could be better options out there. If you have your heart set on the Sweet Potato then maybe the 5'10" it certainly won't lack in paddle power and you could always down size at a later date. Good luck.
+1 if your a beginner, there are much better boards to learn on and you will probably pick them up cheaper as well.
Have fun