Since you are interested in MARBECKS COLLECTABLE: Shostakovich: Symphonies 5 & 9, here is a list of other items that you may find interesting.
Prokofiev: Scythian Suite / Lieutenant Kije / Alexander Nevsky
Elena Obraztsova / London Symphony Orchestra, Claudio Abbado
[ Deutsche Grammophon The Originals / CD - released 5/May/2000 ]
1001 Classical recordings you must hear before you die - "Abbado's Alexander Nevsky culminates in a deeply moving account of the tragic lament after the battle, made more telling when the battle itself is so fine an example of orchestral virtuosity"
Ravel: Daphnis et Chloé Suites Nos. 1 & 2 / Rapsodie Espagnole / etc
Concertgebouw Orchestra, Bernard Haitink
[ Decca SBS Australian Eloquence / CD - released 1/Jun/2010 ]
"Of course, these new performances have many rivals, some of them very fine, that have long been established in the catalogue, but few of them can match the clinging air of nocturnal mystery which Haitink gives to the "Prelude" of Rapsodie espagnole,...
Ravel: The Piano Concertos / Valses nobles et sentimentales (orchestral version)
Krystian Zimerman (piano) Cleveland Orchestra / London Symphony / Pierre Boulez
[ Deutsche Grammophon / CD - released 20/Jul/2001 ]
1999 Gramophone Award Winner: Concerto - A Penguin Stereo Guide Rosette recording
Shostakovich: Symphonies Nos. 13 & 15 (with Mussorgsky: Songs and Dances of Death)
Sergei Aleksashkin (bass) Men of the Chicago Symphony Chorus / Chicago Symphony Orchestra / Sir Georg Solti
[ Decca Australian Eloquence / 2 CD - released 1/Apr/2007 ]
Solti came late in life to the music of Shostakovich, and in his introduction to the recording of the Thirteenth Symphony (reprinted in the booklet) explains the music's effect on him. These rare recordings have long been out of the catalogue, and...