[ ESRI has posted some info about what’s is coming at the 9.3.1 release. For those of you that haven’t heard, 9.3.1 will be released around mid-year 2009. 9.4 is sometime the following year – don’t ask for a more specific date, we don’t have one yet!
Here are the major topic areas – hit the link at the end for more details. ]
High-Performance Dynamic Map Publishing
Better Sharing of Geographic Information
Enhanced Support for Java Developers
Easy to Install
There is also a FAQ.