1st: Janis, Rachmaninoff.
2nd: Kapell (studio 1951, and live 1950 with Bernstein), Rachmaninoff, Cziffra (live 1950's)
3rd: Kapell (live 1948 and the one right before he died from Australia), Bolet (live), Horowitz (both the live 1944 with Rodzinski, and 1941 with Barbirolli), Cherkassky (live, 1950's), Katsaris (live 1983), Janis.
4th: ABM.
Paganini: Kapell (any of the live versions, I'm partial to the one with Ormandy from 1944), Browning (live 1955), Pletnev.
koji (STSD)