If the LCD3 F sounds dark to you and the WA 22 has to much noise, you may want to think about the Stax SR009 and HeadAmp Blue Hawaii. If I was starting from scratch with 10K or better to spend I would give them a serious look.
Re WA22 - A Woo amp with stock tubes and a Woo Amp properly tubed sound very different. I had a WA2 and changed the tubes to Western Electric and Telefunfen tubes and the change in sound was dramatic.
Re Apex Teton - This is a single end amp. Pinnacle is balanced. If I were spending 5K on phones I would want a balanced amp.
Re Eddie Current 445 - I would love to listen to this amp. I have thought about buying one myself. My concern is finding a matched quad of high end audio tubes. That may sound trivial but having gone through the tube drill several times before (most recently with Ken Rad VT231s) it is not easy. I am leaning more toward the Balancing Act because the tubes will be easier to sort. For myself I think I need two amps one tube, one digital. I plan on buying a Schiit Ragnarok when it become available and that will be what I listen to 90% of the time, but I do miss the sound of a tube power amp. An Eddie Current Balancing Act with a little Sonny Landreth and a glass of Innis and Gunn and I am good to go. Not to everyones taste but it works for me.