Murray Perahia is a remarkable pianist, with a nice sound, very poetic and lyrical. His set with Mozart's piano concertos is excellent, with some great moments: the 5, 6, 15, 16, 18 (the 2nd movement is here sublime), 23 and 27.
His recordings of Schumann are good (Papillons, Etudes Symphoniques) but there are better.
If I had to chose only one interpretation I would chose Mozart's Concerto 18.