I have that set and it's as fine as any I know but it's also a DG recording.
Also, the no longer active Andante label released a box set of wonderfully remastered historical performances of strictly the 'Spring' and 'Keutzer' sonatas. This set includes Kreisler, Milstein, Szigeti, Goldberg, Kulenkampf and Busch. Its a shame that the Andante label is now finito but their out of print collections can be found on ArkivMusic.com for a significant discount.
Also, the no longer active Andante label released a box set of wonderfully remastered historical performances of strictly the 'Spring' and 'Keutzer' sonatas. This set includes Kreisler, Milstein, Szigeti, Goldberg, Kulenkampf and Busch. Its a shame that the Andante label is now finito but their out of print collections can be found on ArkivMusic.com for a significant discount.