Oh getting a WA6-SE opens an even bigger tube rolling challenge. It uses tube rectification, and those aren't cheap. As well as driver tubes. Honestly, the Lyr with right tubes is better, at least to my ears. I had my Woo for over a year, so I knew it's sound well. Now I'm a big tube DAC fan, that could be an option. But you may want to look further up the chain. What is your source, cd spinner or computer server?
My setup is as follows:
i5 > WD 3TB black > Foobar2000 > asrock z77 extreme4 (mobo) > toslink (optical) > bifrost > lyr > HP
Its pretty simple. I'm not looking to achieve summit fi, not yet at least, but I know there is something I can add that will give me a nice boost in sound quality. I just don't know what.