For VM's?
Um, why on earth would you care about the storage on the VM host? We're using 15k RPM RAID 1 disks at the moment, and I'm now thinking about booting directly from the FC SAN instead.
ESX doesn't require SSD's. The bottleneck isn't in the hypervisor itself AFAIK - as once the host has booted it's operating in RAM - plus the host OS (ESX) is so tiny it's sort of pointless using SSD's.
If your that bothered used ESXi (onboard) - sorted.
