A page fault is going to cost way way more then 1000 cycles, it's going to be, at bare minimum(for major faults), your storage medium's read latency, so 100 microseconds or more. I'd think in many circumstances hitting a 3.3 microsecond latency to avoid a 100 microsecond latency is def. a good trade. There might be an issue if you have to repeatedly pay that 3.3 microsecond vs. one time the 100 microsecond, but that's getting into things that we can't really know without knowing more specs about the stuff.

And I was more speaking about using it as a blazing fast non-volatile "ram" drive. I know a standard ram drive is simple, but it'd be neat to install os and programs and such onto a drive with 2 order of magnitude better performance then a high-end SSD.