I created a blank template on Posterous that loads nothing but their files and it has 42 request. Page took 7.60 sec to load with a primed cache.
Couldn't some of these be merged, minified or conditional?
Here's a screenshot http://dl.dropbox.com/u/558799/jing/2011-03-30_1428.png
Posterous is a great service but page loads take forever.