I'd recommend trying out Cool Reader. It's *incredibly* configurable, so if you spend some time with it you can probably get it to work exactly how you like it. (It stands out to me as one of relatively few android programs that has the highly desirable (to me) ability to disable rotation and just stay in portrait mode all the time.)
Astro is a pretty good file manager.
-Morgan.
Astro is a pretty good file manager.
-Morgan.