I third the CAT, very tough to beat in this price range used. I would also consider the Counterpoint SA-11 and the ARC SP-10 Mk2 a wonderfully musical full range pre-amp. To my ears their absolute best effort along with the LS-5, no phono stage with that one though.
With upgraded parts all the above would compete with anything currently available.
With upgraded parts all the above would compete with anything currently available.