Hydrasight notes that software-as-a-service (SaaS) is being increasingly perceived as a potential solution to a variety of concerns related to the value obtained from deploying traditional enterprise software. However, given the current line-of-business attraction of SaaS within the enterprise, we believe that the discussion and evaluation of SaaS is failing to be undertaken in a systematic or strategic manner. Moreover, we believe that organisations are at risk of over-investing in analysis of features and business requirements when alignment to three key attributes would initially suffice.