I'd love to see at least some Augment Klingons in Season 2 as an acknowledgement that the Klingons of TOS and shown being created by the Levodian flu mutation and cure in ENT still exist and have become an integral part of the Klingon Empire's heirarchy. Legendary warriors with respect and adoration across the Empire such as Kor and Kang have Augment Klingon features in TOS so it's not as if every Klingon and their descendants affected by the Augment virus has been treated as a complete outcast and confined to a corner of the Empire where they can't cause trouble for the ruling Houses. We know they exist and ENT not only confirmed they do but even showed us how they were created to begin with.
Bring on the Augment issue. Show how it still affects internal Klingon politics in this era and how those Klingons have managed to integrate into society while still retaining their power, Houses and honor. Even the somewhat dodgy and less-than-honorable Klingon code of behavior of this time period has to acknowledge that a genetic mutation outside the control of those afflicted by it isn't a reason to cast somebody out of their culture. A Klingon who can still hold a blade is still a Klingon and a warrior.