The dates to be aware:
AKS 2.0: Monday, March 9, 2009
HiSoftware aRTE for SharePoint v1.0: Tuesday, March 17, 2009
Besides the version 2.0 of AKS there will also be released the HiSoftware accessible Rich Text Editor™ (aRTE™), this was a most asked for control to replace the non-acessible one that MOSS uses.
You can read more on this announcement here.