We still use MDX. Did some testing with DAX, but I don't believe its step in the right direction. As for tools, we mostly use in-house tools build either on Mon

We still use MDX. Did some testing with DAX, but I don't believe its step in the right direction. As for tools, we mostly use in-house tools build either on Mondrian or connecting to MS Analysis Services trough XMLA - depending on the use case.