I know this question is on everybody's lips.
So, being the only one here with some Arista.EDU 400 in stock, I decided to answer the age old question: Does it do 1600?
So, I exposed an whole roll at 1600 and developed in some pretty old HC-110 (dil.B). The film was exposed in a camera I haven't used in a long time (Minolta X-370) using lenses I never used before. I used times found on the Massive Dev Chart.
Agitation wise, I went a bit soft as I didn't want excessive contrast.
To my surprise, the negatives came out relatively gray-ish to the point where I sometimes had a hard time telling one frame apart from the next.
There was a dark band across the sprockets which is probably camera related (even though it looks too even for that... I'm going to have to investigate).
The pictures needed a curve adjustment in Photoshop (I just used xnConvert to do a batch job) in order to get decent results out of that cheap instant scanner I always use. So your results will most probably be better when using Epson Scan or something similar.
So, here are 8 selected from the roll...
What do you think?