My cayennes look exactly like that, except slightly bigger though its hard to tell without some reference. They should be quite hot if you kept those leaves tacoing like that for that past couple months. Especially after traveling. Talk about stress.
But I must say, I know its late but I only have one red one on the plant right now. It is in the low, center (shaded) and it definitely turned brownish before red. Now it's the only bright red one amoungst 40 other greens. So I would not attribute the brown before red to "sunburn."
Either way, Cayenne for sure. You can wait until they are red to eat them, but I learned from THP that you should eat them all the time and then decide for yourself which ripeness best fits your personal taste. They should be a similar level of heat either way. So really it comes down to how firm you like them. You can even let them start to dry on the plant. Then string'em along your window for entertainment while they dry.