Are you serious Jay?!? I know you bought my copy of Jan Garbarek's Dansere. ECM, like Blue Note, is a great label/catalogue to collect and appreciate. Here's a list of what I have in my library:
CDs:
Chick Corea & Gary Burton Crystal Silence ECM 1024 422 831 331-2
John Abercrombie Timeless ECM 1047 78118 21047-2
Gary Burton QUINTET Ring ECM 1051 78118-21051-2
Ralph Towner & Gary Burton Matchbook ECM 1056 78118 21056-2
Gateway S/T ECM 1061 78118-21061-2
John Abercrombie & Ralph Towner Sargasso Sea ECM 1080 422 835 015-2
Gary Burton QUARTET Passengers ECM 1092 78118 21092-2
Dave Holland Emerald Tears ECM 1109 78118 21109-2
Jack DeJohnette New Directions ECM 1128 829 374-2
Chick Corea & Gary Burton Duet ECM 1140 78118 21140-2
Old and New Dreams Old and New Dreams ECM 1154 78118-21154-2
Jack DeJohnette New Directions In Europe ECM 1157 829-158-2
Chick Corea & Gary Burton In Concert, Zurich, October 28, 1979 ECM 1182/83 78118 21182-2
Old and New Dreams Playing ECM 1205 78118-21205-2
Dewey Redman QUARTET The Struggle Continues ECM 1225 174 2062 (BMG D172802)
Chick Corea & Gary Burton Lyric Suite for Sextet ECM 1260 815 274-2
John Abercrombie Night ECM 1272 78118 21272-2
Pat Metheny GROUP First Circle ECM 1278 823 342-2
Marc Johnson Bass Desires ECM 1299 827 743-2
John Abercrombie Current Events ECM 1311 78118 21311-2
John Abercrombie Getting There ECM 1321 833 494-2
Marc Johnson Second Sight ECM 1351 833 038-2
Keith Jarrett TRIO Still Live ECM 1360/61 835008-2
Keith Jarrett Dark Intervals ECM 1379 837 342-2
John Abercrombie Abercrombie / Johnson / Erskine ECM 1390 837 756-2
Keith Jarrett TRIO Changeless ECM 1392 839 618-2
Dave Holland QUARTET Extensions ECM 1410 78118 21410-2
Keith Jarrett TRIO The Cure ECM 1440 849 650-2
Keith Jarrett TRIO At the Deer Head Inn ECM 1531 78118-21531-2 (BMG D103035)
Keith Jarrett TRIO Standards in Norway ECM 1542 521 717-2
Gateway Homecoming ECM 1562 78118 21562-2
Gateway In The Moment ECM 1574 78118 21574-2
Keith Jarrett TRIO At the Blue Note - 1st Set ECM 1577 78118-21577-2 (BMG D104525)
Kenny Wheeler Angel Song ECM 1607 78118 21607-2
Dave Holland QUINTET Points of View ECM 1663 78118 21663-2
Keith Jarrett TRIO Tokyo '96 ECM 1666 78118-21666-2 (BMG D125791)
Charles Lloyd Voice in the Night ECM 1674 78118 21674-2
Keith Jarrett The Melody At Night, With You ECM 1675 314 547 949-2
Dave Holland QUINTET Prime Directive ECM 1698 314 547 950-2
Keith Jarrett TRIO Whisper Not ECM 1724/25 314 543 816-2
Charles Lloyd The Water is Wide ECM 1734 314549 043-2
Dave Holland QUINTET Not For Nothin' ECM 1758 440 014 004-2
John Abercrombie Cat 'n' Mouse ECM 1770 014 001-2
Charles Lloyd Hyperion with Higgins ECM 1784 440014000-2
Charles Lloyd Lift Every Voice ECM 1832/33 440 018 783-2
Keith Jarrett TRIO Up For It ECM 1860 038 317-2
Miroslav Vitous Universal Syncopations ECM 1863 038 506-2
Dave Holland QUINTET Extended Play - Live @ Birdland ECM 1864/65 B0000967-02
Marc Johnson Shades of Jade ECM 1894 B0005060-02
Keith Jarrett TRIO The Out-of-Towners ECM 1900 981 9610
Paul Motian BAND Garden of Eden ECM 1917 80006065-02
Trio Beyond Saudades ECM 1972/73 B0006421-02
Paul Motian Time and time Again ECM 1992 B0008885-02 (BMG D171118)
John Abercrombie The Third Quartet ECM 1993
Miroslav Vitous Universal Syncopations II ECM 2013 B0008758-02 (BMG D171986)
Keith Jarrett TRIO MyFoolish Heart ECM 2021/22 (BMG D223356)
Dave Holland BIG BAND What Goes Around ECM 777 440 014 002-2
Pat Metheny Bright Size Life ECM 78118-21073-2
Pat Metheny Watercolors ECM 78118-21097-2
Gateway Gateway 2 ECM 78118-21105-2 (BMG D112367)
Pat Metheny 80/81 ECM 78118-21180-2
Pat Metheny Rejoicing ECM 78118-21271-2
Keith Jarrett My Song ECM 821 406-2
Collin Walcott Cloud Dance ECM 825 469-2
Pat Metheny GROUP S/T ECM 825 593-2
Pat Metheny GROUP Travels (Live) ECM POCJ-2030/2031
Ralph Towner Batik ECM UCCE-3021
Keith Jarrett The Koln Concert ECM UCCE-9011
Carla Bley Dinner Music
Gary Burton The New Quartet
Gary Burton Times Square
Chick Corea Return To Forever
Jan Garbarek Photo With Blue Sky
Jan Garbarek-Bob Stenson Quartet Witchi-Tai-To
Charlie Haden Folk Songs
Charlie Haden Magico
Dave Holland Conference Of The Birds
Keith Jarrett Belonging
Pat Metheny American Garage
Pat Metheny New Chatauqua
Pat Metheny Offramp
Pat Metheny & Lyle Mays As Falls Witchita, So Falls Witchita Falls
Ralph Towner Solstice
Eberhard Weber The Colors Of Chloe
Eberhard Weber Yellow Fields
Eberhard Weber Chorus
Kenny Wheeler Gnu High
Kenny Wheeler Deer Wan
Jack DeJohnette Special Edition Album Album
Keith Jarrett Standards, Vol.1
Oregon S/T
Oregon Crossing
Miroslav Vitous Journey’s End
Some of my ECM vinyl (I posted this back in 2009):
BENNIE MAUPIN "THE JEWEL IN THE LOTUS"ECM 1043 (1974)
JOHN ABERCROMBIE "TIMELESS"ECM 1047 (1975)
JACK DEJOHNETTE "NEW DIRECTIONS"ECM-1-1128 (1978)
OLD AND NEW DREAMS "PLAYING"ECM 1205 (1981)
CARLA BLEY 'LIVE!"WATT/ECM 12 (1982)
CHARLIE HADEN "THE BALLAD OF THE FALLEN"ECM 23794-1 (1983)
JOHN ABERCROMBIE "NIGHT"ECM 25009-1 (1984)
MARK JOHNSON "BASS DESIRES"ECM 25040-1 (1986)
Jay, I can help you source pre-owned ECM titles for your library if you wish.