I am using a McIntosh C2300 tube pre (into a McIntosh MC152 ss) and really enjoy it. They run about $4k, and I’ve worked with Audio Classics in Vestal NY for all my used McIntosh gear - always had a great experience
I occasionally swap amps and use a Will Vincent pp EL34 - the tube/tube combination stills retains “crispness” and is not overly warm, to my ear (shout out to Will Vincent, another individual tube amp maker creating beautiful pieces for all of us to enjoy - his handle is @autospec )
Let us know what you decide & have a great day!