Since you are interested in Chamber Music (Includes Piano Quintet in G minor Op. 57 & Cello Sonata in D minor Op. 40) (Rec 1990-1992), here is a list of other items that you may find interesting.
SHOSTAKOVICH / KABALEVSKY / TANEYEV / ROKOFIEV / TCHAIKOVSKY
David Oistrakh: Russian Violin Concertos [3 CD set]
David Oistrakh (violin) / State Symphony Orchestra of USSR / Leningrad Philharmonic Orchestra / Moscow Philharmonic Orchestra
[ Brilliant Classics Historic Russian Archive Edition / 3 CD Box Set - released 1/Oct/2011 ]
"..to compare and to contrast multiple recordings by this artist is an unmissable one, and rendered even more so by the budget price range. What are you waiting for?" (MusicWeb)
24 Preludes & Fugues
Muza Rubackyta (piano)
[ Brilliant Classics / 2 CD - released 20/Apr/2007 ]
An exciting and brand new recording by Lithuanian pianist Mûza Rubackyté. To top up an almost overflowing vessel she performs the complete 24 preludes and fugues by Shostakovich on this CD.