What is noteworthy and new for BusinessObjects Analysis, MS Edition for Office 1.3 in Blair's presentation? See this figure below from Blair's presentation:
It will be released after BI 4.0 FP3 but the bigger news is that Analysis Office 1.3 will support variants, report to report interface and migration of simple BEx workbooks. More about the 1.2 features (which is already GA) in this blog
You can also check the SAP Help here for BI 4 Feature Pack 3 (Analysis Office is platform independent and is not included).
We will learn more about Analysis Office 1.3 at ASUG Annual Conference in May.