Current max width is 188px, but the left postbit area is fixed to 218px. Is 15px of padding needed on both sides? Probably not.

188 is also kind of an arbitrary number, so might as well just round it up to 200.

200x400 would be perfect,

i'd love 200 because i scale most avatars around 200 anyway

it wasn't arbitrary on the old forums.

made it 200

now make it 720x400