My first impression after a few hours is that it is underwhelming. I am having a very hard time with the midbass, kick drums sound anemic something I was looking forward to after reading Exekhutor's and watching CMA's review. I understand they have the old Valkyria and that's what I wanted. When this whole 3-hole / 5-hole was brought up I thought it wouldn't make that much of a difference but I guess it does. My Susvara has better midbass to my ears and I cannot justify the price for what I'm getting. Yes, the timbre is excellent, and the piano and acoustic instruments are very good. I will give it a few more days but most likely I will return them.
What exactly bothers you the most?
Is the midbass kick / dynamics in general not enough? When i heard the Pulsar (which the Valkyria [except the very first iterations] sounds very similiar to), the midbass was very good and somewhat the star of the show. Livemusic and rock / metal in general sounded awesome, that's why i initially wanted to get a Valkyria / Pulsar. Of course planars have way better technicalities like details / speed / soundstage etc, but the Pulsar really gave me that "live music" presentation which i only heard before from my Trifecta. At that point i didn't even know about the old Valkyria revision, and while the subbass dropoff was annoying, the midbass was very satisfying.
I highly prefer very detailed / almost bright tubes with the Valkyria, it gets too muddy otherwise, i preferred the same with the Pulsar. I have no idea how the 465 sounds, but if it's (too) warm it's probably not a good pairing. For me the Valkyria is basically the opposite of what the 1266 TC needs, that's why i love the option to easily swap tubes.
I understand they have the old Valkyria
We don't know what model Koji had in his review, it could very well be the normal revision you can buy nowadays.
Yes, the timbre is excellent, and the piano and acoustic instruments are very good.
They sounded even more realistic to me than on the Susvara, same as kickdrums.
All in all i'm a bit sorry for the glowing hype review i did, but i in the end i chose to buy the Valkyria
after hearing the Pulsar for a week, so the driver revision did not play any role in that decision at all. The Pulsar easily outperformed the Verite Open (except in the subbass region / for certain genres), which was my one and only dynamic driver at the time and so far my favourite one. The Valkyria butchered it.