Not what I'm hearing NFS and Cifs only, you'll be able to run the others but with little if any benefit over the current systems.
WAFL will never do a good job of block storage in it's current embodiment, it just has fundamental flaws serving block reliably, once Netapp's number one feature, snapshots are enabled.
If you want a great NAS box and a mediocre SAN in a single solution then a Netapp FAS is the perfect fit. But generally the requirment tends to be the reverse, you want a high performance SAN and a reasonble NAS.
But stop pretending all of these widely differing protocols are simple to configure on the same box, cos they just aint, and lets face it, with all these additional services, the only thing keeping performance at a usable level is the constant refresh of multicore CPU's.
At some point they'll have no alternative but to scale out to comptete.