I think it was Neil who quoted something along the lines of, "a pen in a sock is a pen in a sock, a pen in a box is a gift".
Make of that what you will, but I thought it sounded good if nothing else.
People put boxes in drawers and forget about them, they don't carry them around with the pen.
On the other hand a nice little velvet purse sock thing, they might feel is there to protect their wonderful writing instrument and slip it in there all the time.
To be sure you could always put the pen in a nice little velvet purse sock thing and place it all in a box to be left in drawer and forgotten about.
The two pens I made for twin brother 50th birfdy are nicely presented in a display cabinet at their parents house.
Had I known they weren't gonna use them I wouldn't have made them in the first place, instead I ended up putting them in a a nice little velvet purse sock thing, in a presentation box engraved with their names and built the bloody display cabinet fro them.
Where do you draw the line? If you are selling at a show or static event I would suggest a variety of packaging and ask the customer what they want and charge accordingly init?
If it's for Joe up the pub stick in the dartboard and let him retrieve it, you will never be right for everybody no matter what you offer.