Yes, OpenACS will continue to support the Tcl version. Many of us here aren't particularly interested in moving to Java as we have a lot of personal code or client sites using the Tcl version and don't have the resources to try to work with both versions of the toolkit. Or at least feel it wouldn't be the best use of our time.
The desire to continue support of the Tcl version is a major motivator for our deciding to support both Oracle and Postgres with our work-in-progress, OpenACS 4.x.
As far as an Open version of the upcoming ACS 5, aD is planning to build in a framework for multidb support from the very beginning. Depending on their plans, timing, and OpenACS community interest a project to support it on PG here may or may not develop.
How's that for waffling? :)
Things are somewhat in turmoil at aD as they try to figure out their new direction (how open and how soon, etc) while maintaining a legal battle with Philip. I know they plan to communicate more details regarding ACS 5 and its schedule and design before much longer, so I think you (and we) will just have to be a bit patient for now.
