With 1.5 billion instructions in one second (BIPS), while consuming less energy than ever before, Wintergreen Research says IT departments need to sit up and take notice of this hybrid system that combines the System z with servers. The ROI / TCO for data center computing depends on CIO willingness to make fact based decisions, removing emotion from the application platform decision making process. The platform choices depend on realistically evaluating the platform advancements of the various server technologies in the context of workload, utilization, development time, labor costs, and benchmarks.