I can also recommend V. Horowitz/CSO/F Reiner for Rach 3 (RCA, 1951 recording). There is a later recording of Rach 3 with Horowitz/NYPO/Ormandy (RCA, 1978). I prefer the older version.
I have both on vinyl, so cannot give the CD refs -- sorry.
I have both on vinyl, so cannot give the CD refs -- sorry.