The most bizarre coffee I've ever had was from the Papua New Guinea Baroida Estate. STRONG tasting notes of tomato. I thoroughly enjoyed it, but I love weird flavours like that. Very interesting coffee.
I'm drinking some Papua New Guinea right now that I roasted myself, it's dry processed like many Ethiopian coffees are, and it tastes like berries and spice. The different origin flavors that can be found through different processing methods and soil conditions are amazing. There's so much variety. As a hobby roaster I value my relationship with coffee too much to deliberately drink bad stuff.