Hi,
I only just noticed your question...
Well I have heard the Flight 50 and it is VERY good.
I was so fortunate to hear a shop local to me in the UK was selling a Flight 100... I walked in and they asked politely what I might be interested in?..
I almost exactly stated what Mechans said above... and that I wanted a powerful amp that would drive ANYTHING and EVERYTHING, plenty of headroom, found all the detail that was there, was not harsh at all, plenty of clear and punchy bass, made all instruments sound like they should sound and are there in the room, etc, etc...
The reply was 'well you're not asking for much then'.. and 'well, we just might have something...come and have a look...'
I listened to the Audia Flight 100 and quickly made them swap the expensive, but horrid Monitor Audio speakers for something that doesn't sound like nails on a chalk board...
They returned with the managers own Kef speakers...which were a great improvement I think the ref 3.2 or something and very new (about £5,500.00 UK to buy I remember)
I listened for a while...just because I could (I already knew I was buying this amp now).
I bought it and I will NOT be selling it.
I have driven several speaker combinations, using different cables...Speakers include ATC, Dynaudio, Kef...and CURRENTLY Avalon Acoustic Ascendant Mk.1 (I will not be selling the Ascendants either!).
I have loved Hifi for 25 years and never really stopped looking and listening... Music is the most important thing...not the Hifi, but I think I am pretty well home now...
Listen to one if you can; I would be interested in any comments.
The Dagogo and 6 Moons reviews were pretty good I think.
I guess that was more than two cents worth, but hey, It's what I feel about my Flight 100.
PS. FORGOT TO SAY; I had no manual with it, but I sent an email to Massimiliano Marci at Audia Flight and got a PDF Manual copy for nothing...and within a week! Ralph Ward from Henley Designs in the UK was very helpful too!
Kind regards