I use a M800 and love it! Two observations: Pelikan nibs seem to run on the broad side (my "medium" tends towards a Cross "broad"), and a fill seems to last longer than my Cross FP's. Of course, the reservoir is hidden on the Pelikan, so its probably larger.
Middle of MO
“Much of the social history of the Western world, over the past three decades, has been a history of replacing what worked with what sounded good.”
"The cost of freedom is eternal vigilance."