I wish I had been a touch less blunt in how I reacted to the "any reflector" statement. I blame too much espresso combined with ice cream .
I read back a few posts and I think Bobyz is asking a sincere question earlier when he asked wouldn't a beauty dish of similar size deliver similar results (I presume he means the silver high output from Paul Buff when he said 22") or the 18" Omni reflector. I haven't used those two, so I can't say with confidence one way or the other. But I do think that is a fair question.
As a guess, I think that the silver 22" beauty dish might, in fact, deliver a similar quality of light to one of the configurations of the maxilite with a deflector in it if they were set at appropriate distances, etc. I haven't done a lot with the deflectors in place on the maxilite, but I have run a few experiments. I mostly use it without the deflectors. I will say that the deflectors make the fireball more beauty dish-like and that the difference in results from the different deflectors wasn't quite what I would have predicted. For example, I would have expected more warming from gold than I got.
The deflectors make the maxilite more similar to a beauty dish than the maxilite is without the deflector. Without the deflector, it is more contrasty, providing a darker shadow.
My experience with a beauty dish is mostly with a mola demi, which is white. I have also used a Profoto beauty dish (also white) and a bowens/travellite 16" dish (again in white), so I lack direct experience with a silver beauty dish. They seem to generate more contrasty light than white from what I have seen from others.
I doubt the 22" will be super similar to the maxilite without a deflector (I might be wrong...only a direct test will say), since this sunlight quality seems fairly unique (the Profoto Magnum is similar) and is more in the territory of a fresnel than the territory of a beauty dish.
And to be fair, the unique qualities of a given modifier are often harder to discern when competing with daylight because there are significant variables at play in how the light is balanced with ambient and the actual ambient conditions. The only real way to test is side by side or in studio conditions with a single light source and the same photographer. In all cases, the photographers skill is a much bigger factor.
So someone with direct experience will be needed to confirm, but the AB 22" silver BD seems like a fair contender to certain configurations.