Where do we sign for samples?

Looks interesting, is the line going to broaden to more spec choices? I don’t think I could use a super stiff 4u, but then the n7-2 surprised me too, so maybe it’s is doable.
Sorry, no samples available, at least not free. I've spent well over $1,000 on prototypes as these companies don't give out custom specified, one-off prototypes that made to order, by hand, for free. I do have a few extra prototypes left that I may let go in the near future.
Are you taking orders? Could You share ETA and price?
Thanks but not taking orders at this time; when released, the rackets will be readily available. ETA is about 3 months. Price on the new Precision Pro, limited time promotional price: $125.00 including string and stringing and free shipping the U.S. After the promotion it will be $125.00 for the racket only.
The N1 and N2, I still need to do more testing on which one I want to produce and to confirm it's a significant improve over standard non-woven carbon fiber rackets. This will be more expensive, ~$175.00 each. But if produced, I need to make sure it's absolutely worth it. So far it is, IMHO.
is the 8.0-8.2 stiffness scale considered as stiff?
Yes, "my" 8.0-8.2 stiffness is stiff to stiff+ but there's very accessible power as it is not too demanding.
Though racket manufacturers use the same scale, the actual values may vary, sometimes greatly. For instance, I requested 8.0-8.2 stiffness from 3 different manufacturers using the same material, their best 40T carbon fiber, same 6.8mm diameter shaft and if Company A was the benchmark 8.0-8.2, Company B was about 8.5- 8.7 and Company C was 8.8-9.0. This is a 1.0 difference in stiffness, pretty scary.
So for Company C to match Company A's stiffness of 8.0-8.2, I would have to request ~7.3-7.5 (stiffness ratings are not linear) from Company C, which is crazy.
More clarification: if I wanted a stiffness of 8.0-8.2. In order for Company A, B, and C to have the same stiffness, these would be the numbers I would have to request:
Company A: 8.0-8.2
Company B: 7.5-7.7
Company C: 7.3-7.5
For you mathematicians: Company A's 8.0-8.2 = Company B's 7.5-7.7 = Company C's 7.3 = 7.5