We are trudging through an options analysis for BI/DW solutions for data stored in C*.

I'd love to hear people's experiences.  Here is what we've found so far:
http://brianoneill.blogspot.com/2013/04/bianalytics-on-big-datacassandra.html

Maybe we just use Intravert with a custom handler to handle the dimensional cubes?
https://github.com/zznate/intravert-ug

Then, we could slap a javascript charting framework on it and call it cubert. =)
http://www.classicgamesarcade.com/game/21652/q*bert.html 

-brian

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Brian ONeill
Lead Architect, Health Market Science (http://healthmarketscience.com)
mobile:215.588.6024
blog: http://brianoneill.blogspot.com/
twitter: @boneill42