I recommend you the 110. The AtomIQ 110 is wide, but very slim and you probably will buy a bigger sail size or exchange the 7,0 with a 7,5. The delivered 38 fin works well for 7,0. If you go for the 100, you are pretty close to the 94 and you have less light wind range.
If you would be at 72 kg, I probably recommend you the 100. But for your weight the 110 will be fine.
Hope it helps,
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