Play the weapon that you like, but I don't think the space cost justifies not brining another weapon.

I'm sure I'm going to take blowback on this again, but I strongly prefer a sword to any blunt weapon.

Other than bonemass, there is nothing in the game that is susceptible to blunt weapons that is a significant threat, and there is no attack that I know of that does more damage than a properly executed block-thrust from a sword.

The big battle axes can be fun, but they aren't really practical. I think they're best saved for end-game when you're walking around the plains looking for things to hit. :-)