There are two forums where you can post Data Studio questions and look for announcements, take your pick..
- Introduction to IBM Data Studio, Part 1: Get started with IBM Data Studio, Version 1.1.0 and Eclipse
IBM Data Studio: Get started with Data Web Services
pureQuery: IBM's new paradigm for writing Java database applications.
Increase productivity in Java database development with new IBM pureQuery tools, Part 1: Overview of pureQuery tools
Common Development Tool
email for now. (Update: I since relented and switched comments back on.)