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@ugosantalucia
The pacenti is marginal wider, yet slightly lighter than an Archetype, which means it's less thick, which means less durable, both in terms of braking surface and in terms of potential cracks at the holes. It is tubeless ready, which means a bit tighter fit, in case you're not a demon tyre fitter. It does need tubeless rim tape, which is significantly more expensive than bog standard Velox stuff. Both Archetype and Pacenti are wide, rather than deep, the aero improvement over your OP is negligible, but the improvement in handling with the same tyre is significant.
For 100 Kg I suggest a 32 rear built with Dt Comp, Alpine 3 or Sapim Race... the front can be 28 and built even with lighter spokes, front wheels don't do a great deal of work, unless you carry a front rack and panniers.
Personally I would not buy CK 45 hubs... if you do, then you need to invest in the toolage they require, which shops don't have and it's extremely expensive. Hope and Miche Primato will give you the same performance and similar reliability for much less money. No expereince on Goldtec... I have heard good things, not enough to make me steer towards them.
A 25 mm tyre will give you a better profile on a wider rim than on an OP... but then if you ride in a straight line you will never know