1500 is a good number. Stories can be fairly hefty objects if you have large descriptions or lots of attachments. Despite the memory usage, do you notice if TeamPulse slows down after a while? Or does it stay responsive?
Filtering by areas and/or iterations other than the root would also reduce memory usage.
I'll make sure the right people get this feedback.
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!