Which is the best format HD production? P 720/50 or 1080/50i or 1080/25p?

Since my question in this forum can not be clearly assigned, here the link to my detailed thread on this subject (I do not want to open multiple threads on the same subject). So please only responses to the following thread:

http://forum.slashcam.de/bestes-format-fur-hd-produktion-720-50-p-oder-1080-50i-oder-1080-25p--vp411932.html?sid=6b80a98bf235d98a7b962a83efbbccb2 # 411,932