Mafro wrote:For standard superhero flight to be fun you'd also need stuff like a high tolerance for cold temperatures and stronger g-forces, and less reliance on oxygen for flying at higher altitudes. How much energy would all that flying around expend? How many calories would you need to eat per day because of it? So many questions.
I don't think it's fair to factor in the energy of flying when the energy required to bend light around you would be immeasurable. You might say it's a special property of your skin, chameleon-style, but that isn't true invisibility (a giant human-sized chameleon wandering around would be really obvious).
You have a point with cold / low-oxygen tolerance though. As long as you stayed below the clouds I think you'd just need to wrap up warm and not go too fast. It could still be fun and useful.
Also, if you wanted to do the vigilante thing, flying to the scene of the crime and swooping down to help people is cool, whereas wandering around town at night invisible (and possibly naked) to keep an eye on people is creepy.