Nice, a science lesson in chocolate!
Fortunately for my taste buds, I can tell fake chocolate from real chocolate. The most common "sign" for me is a "waxy" aftertaste. I know some chocolates do use edible wax's for hardening, but this is a bit different. I can only describe it as a waxy-grease taste, especially if it leaves a film in my mouth. ICK.
I prefer dark chocolate over any other chocolates. I prefer more "pure" chocolate candy, with minimal ingredients to the chocolate itself. I'm not very fond of milk chocolate, as it is way too sweet for me.
I like just enough sugar in my chocolate to take the bitterness out of it, and leave the actual chocolate to do it's thing with my tastebuds.
I loved Godiva chocolates when they first got popular back in the 80's. But the more popular they got, the more crappy their chocolate became. Now it pretty much tastes like sugar and wax to me. I've switched to Ghirardelli chocolates. They taste good, but there is something that is just "off", which makes them not so perfect as Godiva was back when.
I've tried different kinds of chocolates at different variable chocolate levels.....60% being the strongest I can take with out it being more sweet.
I will say though, I love cherries and chocolates, and therefore a cherry cordial candy is my favorite. So far, the best I've found is a standard "over the counter" candy called Cellas. Dark chocolate, cherry in the middle with the clear liquid around it. OMG! They are sweet without being sugary sweet. Godiva used to make the best cherry cordials, but like I said, as they got more popular, their candy got more crappy.
I don't like German chocolates, they just taste funny.
I don't like 99% of American chocolates, because, well, they are mostly brown colored sugar.
Some Euro chocolates are nice, but seem to be lacking in something.
British chocolates are ok, but again, they just seem to have something missing.
I've had some Canadian and Brazilian chocolates, which are decently edible, but again.....they are just "off" somehow.
Most of the white chocolates I've had have way too much wax in them for me. If there are other types of chocolate out there, I would love to try them.
But so far, I've not come across the perfect chocolate.