Yep, Spirit of Radio's on PW. I am not much of a Rush fan but have been digging into their full-lengths a lot more lately and am mostly enjoying it.
I think The Yes Album is my fav Yes record at this point.
Hah, and yeah, I've never actually listened to a Buddy Holly album, just greatest hits stuff. I admire the brevity of his songs; that may sound like a backhanded compliment, but they're really efficient tunes!
I've heard Pet Sounds a trillion times but have been connecting with it again the last couple months (pretty sure it was in my last What's Spinning post too). I tend to, especially for somewhat random listens, check out the same era of BB that you mentioned, though.
I forgot to add Trout Mask Replica to my list. I'm still listening to it a bunch.