My recommendation is
LL (a real 1 lumen or less) -M (20 ish) -H (80 ish) in Ti I think would sell on CPF
and
M (20 ish) -H (80 ish) in Aluminum would sell on CPF and online.
I am not sure what age range buy what brightness but I have read here that the older you get the more light you need to see.
From what I have seen these models would handle the entire market (flashaholics and general population).
How would I spend my money? Well I have not bought the IllumniTi because the low is too high. If it is bright enough to hurt my dark adapted eyes then M-L-H is no different to me. Especially if the M-L-H version has a lower low then I would buy that over the L-M-H with a higher low.
What do I own? I have a lot of ITP A3s (30 ish) in all Aluminum except 1 SS. I have not bought the Ti. No point for me. I buy for user interface.
What would I buy? I am looking for a lower low AAA in any material to spend money on.
That said, I wonder if a AAA with LL-L-M-H in Ti would sell? For me- 0.5 lumen, 2-5 lumen, 20-30 lumen and 80-100 lumen.
Good Luck,
Rob