Yesterday I learned that I was not the only one mainly interested in the SP campaign.
Now I would like to hear how the campaign stacks up?
Story aside, how is the gameplay? Improved?
Missions are pretty fun/varied - not sure how much you've read about HOTS but it has a large focus on Kerrigan and as such she's in almost every mission. The unit upgrades are a bit weird, in my opinion. Some choices are really cool like how they give you a small mission to test out the new abilities but some other choices are questionable like
Why can't I upgrade my infestor or Aberration at all?