> ...moving the focus away from mainframes.

Actually, System z (mainframes) still accounts for a quarter of IBM's revenue and about half of its profits. [1] At least, that was the case in 2012. I suspect that hasn't changed much with IBM's recent announcement of the LinuxONE. In fact, IBM contributed significant effort get Node.js (and thereby V8) ported to s390x. [2]

[1]: http://www.economist.com/blogs/schumpeter/2012/09/ibms-mainf... [2]: http://www.economist.com/blogs/schumpeter/2012/09/ibms-mainf...