New here too. I bought a pair of sE Electronics R1s by the recommondation of my ribbon fan vocalist friend. I have been testing electric guitar and male vocs. I also bought Art Pro Mpa II preamp and liked it with R1s, not so much with Röde NT2-A, Shures sm57 and Beta 58a. Lots of testing in front of me, I am building a studio and searching for good sounds. My audio interface is focusrite saffire , so no high end, but ok stuff.
Now I am interested about rm-5s, at first I opposed the ribbon sound, but now I am becoming a fan, it is easier to cut eq than add, and I feel my ribbons got it pretty right in the bottom and mids. I am also interested in these new gen ribbons that should catcth the his too. I have been testing my hearing and 13k is the top what I hear, so for my taste there is no need for ultra clear his.
Right now I am broke, but I am pretty sure i will buy a matched pair of decent ribbons in the future.