Miky Schreiber has just posted a cool utility on his blog that addresses what is, in my experience, a frequent need on many Analysis Services projects: the ability to apply a common set of calculations to a number of cubes. You can find out more and download it here:
http://www.miky-schreiber.com/Blog/PermaLink,guid,aca4f6ce-32bb-47ab-a453-5b23c25b3d48.aspx
http://www.miky-schreiber.com/Blog/PermaLink,guid,5c9ebeb3-98d5-43ea-9f63-a0e18c3929bd.aspx
Definitely something that should be considered by the SSAS dev team for the next version.
