When work began on First Contact, the crew toyed with the idea of giving the Borg a new type of ship, in this case, an obelisk.
"With all due respect, sir, …I believe you are allowing your personal experience with the Borg to influence your judgement."
Streamrunner-class concept art by Alex Jeager.
Star Trek: The Next Generation/X-Men: Second Contact
Art by Cary Nord
(Now is the perfect time to mention that I wrote about the novel that follows up on this issue.)