Compatibility of imovie9 with 1080p and 1080i compact digital cameras

New compact digital cameras are now appearing on the market with video labelled 1080p and 1080i. For example, Fuji F500 EXR with 1080i and Casio EX-ZR100 with unspecified 1080.
My question: is either of these formats (1080p and 1080i) compatible with iMovie9 in terms of both input and output (that is, will iMovie9 accept the clips from the camera and export a 1080p mov file)?
If the answer is "no", is there a work around?
If the answer is "yes", does 1080p have any advantage over 1080i?
Note: I am sure that this question has been asked already, but I was unable to find a definitive answer on the Discussions forum.

most tv's which support 1080i also support 720p it's basicly the same signal where 1080i just fake a higher res by making the signal interlaced

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