It's an interesting idea, and I like it. Although personally I don't really like the idea of using the TMP main theme before showing the TMP main titles.

If we go along with the idea that we are moving form the realm of TOS to TMP then the prologue should feel like TOS on the big screen...

Although it might be an idea to close the prologue with the 'final frontier' speech and TOS theme then move into the TMP theme as the main titles begin.

EDIT - I just realised 005 just mentioned this.

Doubleofive, Yes that was my thinking, New prologue with Old prologue music - tweaked if needed, then the Paramount logo, then the main titles with main theme reveal.

of course we should look at all of these ideas and decide what works for the film.

As the TMP theme is reprised a few times within the movie already my feeling is that we should hear it less often rather than more, that way it should have more impact when we do hear it.

as for my concept version of the main theme - yes i'll share it but let me tinker with it some more first...I did use some of it in the klingon conept I posted on youtube.