Hi all, its in theory... I am just interested in your experience or principles. Which way would you go? (for sure after demands checked/decided)

Full frame 19201080 but lower bitrate recording or "just" HD 1280720 but higher bitrate.

Translating into cameras:
Full frame 19201080 3cmos XDCAM 35Mbps like EX1 or
HD 1280720 3ccd DVCPRO 100Mbps like Panasonic 170, 200 p2hd