As a complete novice I have loaded 1 hr 40 mins of video onto Vegas and done some editing. before I do more I want to test that I can create a dvd.  when I try to (on PAL ans I live in UK) I start by rendering for .mpg  then try to burn cd.  It says cd not big enough.  I am using 4.7GB DVD. (My original movie shot in HD on Sony HDD HD camcorder.