VMware have now released a patch for vSphere 5.1 that makes it compatible with View 5.1. I have been running the two in my lab for a little while whilst avoiding to use the storage accelerator where the problem previously existed but with this update we will now finally be able to start offering our customers upgrades to vSphere 5.1.
Note you will either need to download and install a patch to your vSphere hosts or download the new vSphere ISO
Full details are here