Compellent also doesn't hit the high-end of the performance scales like 3Par.
So Dell isn't getting the best of the virtualization-supporting storage vendors, but it's certainly not losing out completely.
Both HP and Cisco have rolled out unified systems that act like blocks of computing, storage and networking power customer can grab and plug into quickly growing virtual environments.
So far Dell has not been able to match that level of integration, which becomes increasingly important as the size of the virtual landscape grows larger.
For Dell and its customers, Compellent may end up being a benefit, but if it's virtualization they're interested in, it's in no way a compelling addition.