Neither BibleTime or Rapier's front ends are conductive to good reading or cusory studying. For what ever port is made, the front end should probably be redesigned (I have wireframes somewhere) and done in Qt for best future proofing.

*not a developer, just a UI/UX guy who runs that Bible-oriented site linked in my sig

EDIT: Qt is here for Maemo 5, this should be an option now: http://talk.maemo.org/showthread.php?t=32618