1. Is there any reason to use eps? Avoid it use AI, PSD or PDF instead.
2. Are all used fonts ok? What kind of fonts du you use?
3. Which Mac OS X do you use?
Does it crash with alwayst the same files?
What does the file history tell you? Hold down the command key and got to InDesign > About InDesign… Does it tell you somewhat more specific, like missing plugins, severly damaged files and restored files, when (in which version) the files have been created first (helps often to export to IDML and open this again and save it as INDD and work with the new file.), has the problematic file been converted from another application (Quark Xpress or PageMaker), etc.