I agree that PWDII a big improvement over DLIII; I had both in my house.
PSA might not be the best equipped company to support customers with software issues of the sort that come up with computer audio; my experience was dismal.
For this reason, I moved on from PSA.
Currently using the Sonore exD DSD. Little of the functionality of the PWD, but compares favorably with respect to musicality -- for much less $.
John