24P is desireable for storytelling and films, but not necessarily for commercials and promotional videos that are usually pretty fast-paced. If you are shooting the latter for the US (NTSC) market, you would want the ability to record 30P for those.
I really think that you should stick with a camera that matches your local TV broadcast standard -- the headaches this will save you far outweighs the cost savings from importing the camera from someplace else.
I really think that you should stick with a camera that matches your local TV broadcast standard -- the headaches this will save you far outweighs the cost savings from importing the camera from someplace else.