Pilot Custom 823 Nib Size

[johntdavis]

How do the nibs on the 823 compare to the ones on the Pilot Capless/Fermo? I've got a Fermo with an F nib, and I love it. The M nib on my 1994 Capless is almost too wet for the way I write (I have tunnel vision, so I tend to prefer small lettering). I only find myself envious of the larger nibs because of the enhanced shading/character of the ink. Yama Budo is still gorgeous with an F nib, though ...