For owners of Z97 or X99 boards with updated UEFIs or a rare SFF-8643 connector for the 2.5" version, booting from NVMe is possible, for the rest the Intel SSD 750 will have to be a storage drive.   Al recently looked at this more than impressive PCIe SSD and now [H]ard|OCP has had a bash at it.  The review is certainly worth checking out as some of their tests, especially the real world ones, differ from the benchmarks that Al used.  This will give you more information about how the new SSD will handle your workloads, research worth it if you are thinking of spending $1055 for the 1.2TB model.

"Intel is set to be the catalyst for a long-awaited leap forward in storage technology with the new SSD 750 bringing NVMe storage to client PCs for the first time, and turning the high end SSD space upside-down. We are expecting blinding IOPs and we dig in to find out what it can mean to the hardware enthusiast."

Here are some more Storage reviews from around the web:

Storage