fruit I've tasted:

• Cattley guava
• feijoa
• marula
• wildepruim
• cherimoya
• Surinam cherry
• umdoni
• loquat
• pitaya
• rambutan
• tamarillo
• longan
• pepino
• carambola
• amatungulu
• mangosteen

fruit still to try:

• jackfruit
• durian (erm... not too sure about this one)
• cloudberry
• sapote