He may have retired from making new records but the re-issues continue.
From CDJapan
UIGY-9065
Elvis Costello/My Aim is True[SHM-SACD] [Limited Release] [SACD] SACD
4286 yen US$51/83.49 Release Date:2011/04/27
Description:Uses the 2011 DSD master based on Japanese original analog tape (subject to change). Reissue features the high-fidelity SHM-SACD format (fully compatible with standard SACD player, but it does not play on standard CD players). *SHM-SACD (Super High Material SACD) is the ultimate Super Audio CD that utilizes the materials and technologies that were developed for the SHM-CD to further enhance the audio-resolution. Please note that SHM-SACDs are fully compatible with regular SACD players, but they do not play on standard CD players.
URL - http://cdjapan.jp/d.html?KEY=UIGY-9065