IBM has offered ODM on Cloud for over three years now.  They have a really attractive pricing model that allows our customers to get started very quickly without the need to worry about hardware provisioning and software installation.

I rate the solution's pricing an eight out of ten.

Little more costly than other business rules management system (BRMS) products.

We made a lifetime purchase. We purchased it by number of PVUs for our stage and product environments.

ODM's pricing could be more competitive as there are open-source business rules engines that are becoming standard, like Drooms from the Java Open Source Enterprise Suite, although ODM is a better product than those. 

It was not a large cost. It was a one-time cost.