While I don't think mainframes will bring anything to the table that hasn't been seen before, there are many companies that like the guaranteed performance and

While I don't think mainframes will bring anything to the table that hasn't been seen before, there are many companies that like the guaranteed performance and upfront cost that mainframes provide. One thing that I didn't really understand until recently is that you're not buying hardware, you're buying very specific SLA for whatever software you're running.