Nomad Factory has released Universal Binary versions of the Essential Studio Suite v1.2 for Intel-Macs in VST, AU and RTAS/AS formats. This is a free upgrade for registered users.
This new release doesn't require a re-authorization; the HTDM / RTAS (v1.0) Mac OS X is still downloadable for Pro Tools 6.x TDM/HD users.
Find Essential Studio Suite in the KVR Marketplace