I am in the same situation as you. I don't have a BD player, and won't for the foreseeable future. I bought the DVD version of WOW and used it to calibrate one (DVD) input. I was able to get the picture looking pretty good, however, the audio part wasn't as critical as I had already dialed that in with previously downloaded tools. I then downloaded the AVSHD files, from this site, and will make a BluRay disk when the need arises.
I used the mp4 version of AVHCD for the input of my WDTVLive and even though the settings weren't identical, they were pretty close to the WOW.