Not bad advice above. Progressive capture is superior to interlaced especially if you have to do compositing in edit. Interlacing after to deliver a "i" version looks better than de-interlaing after the fact to deliver a "p' version.
All HD master deliverables for feature films are 1080P/23.98 because any deliverable made from it looks good, 1080i, NTSC, PAL, you name it.
Also
never shoot true 24FPS unless planning on a film output always go 23.98 (or interlaced 59.94)
Erik
Erik Freid | MediaSilo, Inc
207 South Street | Third Floor | Boston, MA 02111
t. 617.423.6200, m. 617.306.8632, f. 617.507.8577
http://www.mediaSilo.com erik@mediasilo.com