Computerworld reports thatthere were 3522 comments on the standard proposal (though many ofthese may be redundant or overlapping).
http://www.computerworld.com.au/index.php/id;558363757
ECMA has posted a first list of 662 responses
http://www.ecma-international.org/news/TC45_current_work/First%20group%20of%20662%20proposed%20dispositions%20of%20comments%20posted.htm
which are by ISO's rules cirrently only accessible to the National Bodies.
The report is based on a blog entry by Brian Jones, a MSFT employee and the software companies' representative in the ECMA technical committee in charge of OOXML
http://blogs.msdn.com/brian_jones/
who is sounding rather upbeat/positive about the comments.
There's a Slashdot discussion going on as well:
http://slashdot.org/article.pl?sid=07/11/22/001228
