I have tried all of the recent betas and all of them crash the moment you attempt to use any menu item. The crash reports go to Omni but the bug is never fixed. Not optimistic.
A pity, this was one of my favourites.
OmniGraffle Pro
Diagrams, family trees, flow charts, org charts...
Version: 5.2.1
completely unstable - lawrencecpaulson_dotmac
Followup: fixed by deleting the preferences file, com.omnigroup.OmniGrafflePro.plistReply to This
Friday, February 15 2008 @ 12:00 AM PST