After: myself
No, I've nothing against early Beethoven; here are some of my teenage favorites:
+3 Schubert: Sonata in A min, Op.42 (D845)
+2 Beethoven: Sonata No.1 in F min, Op2.1
+1 Weber: Sonata No.1 in C, Op.24
19 Heller: 3 Ständchen, op.131- elevated
12 Mozart: Sonata in F, K533
11 Ives: Piano Sonata № 2, op.19 “Concord, Mass., 1840-1860”
11 Prokofiev: Visions fugitives, op.22
11 Brahms: Klavierstücke, op.119
11 Schubert: Fantasie in C major, D.760 “Wanderer Fantasy”
10 Scriabin: Piano Sonata № 7, op.64 “Messe blanche”
09 Liszt: Harmonies poétiques et religieuses, S.173
09 Mendelssohn: Rondo Capriccioso, Op.14
09 Weber: Sonata No.2 op.39
09 Debussy: Préludes, Book II
09 Haydn: Sonata UE31 in Ab
07 Alkan: Douze études dans tous les tons majeurs, op.35
06 Janáček: Piano Sonata 1.X.1905
06 Chopin: Polonaises
06 Clementi: Sonata Op.40.2 in B minor
05 Beethoven: Piano Sonata № 8 in C minor, op.13 “Pathétique”
05 Albéniz: Suite Española, op.47
04 Brahms: Klavierstücke, op.118
03 Dukas: Piano Sonata in E flat minor
03 Brahms: Intermezzi, op.117
03 Messiaen: Vingt regards sur l'enfant-Jésus
03 Heller: Nuits blanches, op.82
03 Schoenberg: 3 Piano Pieces, op.11
03 Schumann: Piano Sonata № 2 in G minor, op.22
03 Heller: 24 Préludes, op.81
03 Schubert: Sonata in A min, Op.42 (D845)
02 Scriabin: Piano Sonata № 3 in F sharp minor, op.23
02 Hindemith: Ludus Tonalis (1942)
02 Beethoven: Sonata No.1 in F min, Op2.1
01 Weber: Sonata No.1 in C, Op.24
01 Grieg: Lyrical Pieces
01 Hummel: Polonaise Op.55 La Bella Capricciosa
01 Boulez: Notations
00 Barraqué: Sonate pour Piano
00 Webern: Variations, op.27