Here is a list of figs that taste like Black Madeira or better, which can be synonymous or not:
1. Violeta
2. Portugal Black Madeira
3. Figo Preto
4. GM 172
5. I-395
6. Malta Purple Red
7. St. Jerome
8. I-258
6&7 is suggested by Alanmercieca on another thread, which gave me the idea to start this thread. If anyone has any ideas of other candidates, please chime in.