Laptops, Cameras, what about tablets? I don't think that the rules are actually revealed yet, so we are hearing rumors and leaks. They are likely correct unless the rules change.
Apparently, checked luggage gets a very thorough x-ray, as well as dog sniffing for explosives or drugs. This may spell the end for taking laptops and DSLR's on vacation, because too many seem to disappear from checked luggage.
US airlines are not affected, and the ban is for flights to the US from specific countries. So, you can take it with you onboard when going from the US to one of those countries, but coming back it needs to be checked. The rules seem to be convoluted and unclear.