Foma aka Arista 200. It's closer to box speed than the 400 so the speed difference isn't as great as it seems, more like a half stop than a full stop. Disclaimer - I shot a couple of boxes of the 400 and liked it at 200 but only a few sheets so far of 200 which looks ok at somewhere between 125 and 160 - either will work and it's almost impossible to tell a 1/3 stop difference in black and white without a densitometer.

I still shoot the 400 in 120 as it is still made in rolls just not in sheets.