you are right,
no predefined cubes and no integration for etl, DW, etc., only suggested implementation scenarios in BI for NAV MS whitepaper.
use jet reports, power pivot or external solutions
look at this nice Contoso datawarehouse demo for retail industry
(the only one standard Microsoft BI Demo available)
"The Contoso BI Demo dataset is used to demonstrate DW/BI functionalities across the entire Microsoft Office product family. This dataset includes C-level, sales/marketing, IT, and common finance scenarios for the retail industry and support map integration. In addition, this dataset offers large volumes of transactions from OLTP and well-structured aggregations from OLAP, along with reference and dimension data"