random finding courtesy of Amazon:
looks like like Lost Girls is getting a new HC edition:
https://www.amazon.com/Lost-Girls-Ex...n%3A7421512011
Letter 44 getting the HC treatment from Oni(if the Sixth Gun is any indication, this should only take 10 years to complete):
https://www.amazon.com/Letter-44-Cha...n%3A7421509011
Crimson HC Omnibus (H. Ramos):
https://www.amazon.com/Crimson-Omnib...n%3A7421503011