Try going for
Pieces:
Bach- Partita no 2 (c minor), English suite no 2, and sone of the more difficult inventions, Italian Concerto
Schubert- Any of the Impromtus
Chopin- Ballades (any) Scherzo no 1 or 2, Etude op 25 no 4, no 10
Liszt- nothing wrong with the Mephisto (dont avoid it cos supposedly "everyone" plays it- if its what you want to play, then play it!), Etudes de Transcendante, The Dante Sonata, Venezia e Napoli
Mozart- Sonata K284, K330 (if mozart is your style)
Prokofiev- Sonata no 7
Concertos:
Mozart- 15, 17, 20, 23, 10 (double concerto- one of my personal favorites)
Chopin- 1
Saint Saens- 2
Rachmaninoff- 2, Rhapsody on a theme by Paganini (good luck...)
Liszt- Any of them (1, 2, Totentanz or Hungarian Fantasy)
Brahms- 1
This is just a select list from my best loved music! Good luck though.