Major gaps of Open Office Impress versus Microsoft Power Point: what do you think?

Yesterday Sergio, a user of OpenOffice Impress, sent to the OpenOffice.org discussion list his list of the “Major Gaps of OpenOffice Impress 3.3 vs. Microsoft Office PowerPoint” because “after struggling for over 1 year, sadly he had to stop using Open Office Impress and go back to Microsoft Power Point”. After speaking with Sergio, I reformatted and put online his list of complaints to gather more feedback. Please have a look at it. I am particularly curious to know if with LibreOffice it would be different.