Updating the old campaigns when the new ones comes out?

I was wondering about something. The terran campaign is over. We will possibly not get any more terran missions in the new campaigns. But the expansions will add new terran units to the game and it would be really weird not to use units from melee in any campaign. Plus, adding some of the campaign units to the old campaigns (like giving the tal'darim from WoL high templar units to replace the dark templar stuff they shouldn't be using) could really enhance the gameplay.

Your opinion on the matter?

 

Given what we know about Legacy of the Void (putting factions together), I think we'll get to chance to hire the Tal'darim faction. Probably not a good idea to do so (in story terms).

But I see the point. I hope Blizzard makes campaigns like Enslavers for StarCraft II, so we can play around with this stuff.