The nib unit and converter can be separated - so you can replace the converter if you wish, and/or exchange it for a Pilot cartridge (note the pen should have come with a stainless steel sleeve thing that sits over converters and protects the plastic from being damaged by the click mechan...
and inside was my pen and a repair slip from Pilot. Despite the damage being completely my fault and not covered under warranty, they did a one-time courtesy replacement, and even included a new converter, cartridge, and cartridge
After doing some research, it appears that the FM nib is only available on the Black/Gold version of the Vanishing Point. http://www.ebay.com/itm/Pilot-NAMIKI-Vanishing-Point-Capless-BK-18kt-FM-Fine-Medium-nib-fountain-pen-/131413672949?pt=LH_DefaultDomain_0&hash=item1e98dd83f5 The eBay...