I just received my new (used-mint) Lyr tonight with 7 pairs of tubes. This one. The one big pointer the guy I bought it from told me is, above all, stay away from this thread for the benefit of my wallet. So of course I had to pop in ... I see I have 300 some pages of posts to wade through.
I will say that I've tried 3 sets of tubes so far, and I've enjoyed the original GE's the best so far. Coming from an Audioquest dragonfly into a Hifiman HE-500, and a Senn HD600. The Lyr is noticeably punchier than the Asgard I was using.
Do you guys have a trick tool for easily removing the tubes?
I think you got a great selection of tubes already. I agree the socket savers are a good idea (they'll help keep the interior of the Lyr cooler), but you can also get this for removing tubes (or pulling them while they are still hot: