5000 MB/s read and 2300MB/s sequential write is amazing. The client SSD running SATA 3 are still making about 500MB/s read; there will be some significant improvement from more client SSDs coming very soon.
They do require a new motherboard or at least a motherboard company willing to program the feature in. At this time very few have went that direction. Supermicro has a few systems and so does IBM. The lawsuit battle put the tech in a stall but Diablo will show something new at FMS in a few days.