[MacDV] Compressing in iMovie '05 (or Toast or iDVD?)

[Timothy Luoma]

I am moving some video from VHS to DVD (to be played on a standard DVD 
player).  I have a couple 45 minute videos.  Of course standard DVDs 
can only hold 120 minutes, and 3x45 minutes = 135 minutes.  It would 
seem reasonable to expect that I could compress it down that much w/o 
causing too much picture loss.

Does this get done in iMovie or iDVD or Toast?

Does any app have a "take these files and make it fit onto this DVD" 
setting?

TjL