Looking for EDW modelling tool recommendations for BW

Good morning,
Our BW Enterprise Data Warehouse has been slowly adding infocubes/ODS's over the years, and to date we have been relying on the modeling views available in the BW system to keep track of what goes where. I think we've outgrown that.
I was wondering if there is a modeling tool of choice out there that people prefer to use when modeling the various infoproviders, and multicubes that they roll up to. In the relational world we always use ERWin, however it doesn't seem to fit an OLAP EDW environment very well. I'm not looking for an extremely detailed tool, but something that will let us look at the big picture, essentially at the Infoprovider level.
Any suggestions are welcome, and points will be given.
Michael

Hi,
I've found the Visio tool quite helpful for EDW modelling for SAP BI systems. Might want to take a look at that.
Cheers,
Kedar

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