Considering the western names are just flavor text for our western sensibilities, and the Japanese names are basically "sword user," "axe user," "lance user," etc., if they're going to add any characteristically unique weapons to the game, they will almost certainly add new classes to accommodate them. That aside, it'd just be lazy to give great katanas to any of the existing classes since they're going to have to create new animations and weapon abilities anyway.
When they release a great sword user, for example, it wouldn't really be a stretch to give that class great katanas. They could use the same animations (even though they are generally very different forms of swordsmanship) and they fall under the same class of weapon, 2-handed swords.
Yes, I would be disappointed if there were no katanas in the game. I'd prefer it to be it's own class, but I'd understand if it wasn't.
Edited, Apr 20th 2010 1:28am by Kachi
Ok, now we're going to get slash fiction of Wint x Kachi somehere... rule 34 and all...
Never confuse your inference as the listener for an implication of the speaker.
Good games are subjective like good food is subjective. You're not going to seriously tell me that there's not a psychological basis for why pizza is great and lutefisk is revolting. The thing about subjectivity is that, as subjects go, humans actually have a great deal in common.