Those mainframes are actually pretty modern and interesting. If IBM split off half of their mainframe division and let some competition get going I think the s

Those mainframes are actually pretty modern and interesting. If IBM split off half of their mainframe division and let some competition get going I think the segment could actually be something to contend with. The basic idea of the IBM mainframe is almost perfect for what a lot of companies actually need (massively reliable hardware to support lots of middling software; most work is shunting data around) but everyone knows they're going to get locked into IBM.