I spoke to Kendra at Chartpak today...
There is NO additional charge for trading your 200 steel nib for the new medium italic nib....
She also told me it is a smooth writing nib and does not catch like a sharp edged italic. Not like a stub.. but not like a sharp edged italic either... she mentioned that if you do rotate the nib, it will catch a bit.
OK, now here is the bad news..... she has almost none in stock.... in fact she is taking one out of a pen and holding it for me until I get my 200 with the OM nib to her for trade... And I did not ask her to... she offered....
Now, what more could you ask of a company than that kind of service... she has very few nibs and is willing to hold one for me...
MMMM, let's see... that will give me a Burgundy 200 with a .8 Binder stub, a 605 with a fine gold nib, and a Green Marble 200 with a medium italic... and a spare .6 stub from Pendemonium.... OOOOPS, that means I have to buy another 400 body...
Dang the luck...