synaptic: comparing repositories

[David Garamond <lists@zara.6.isreserved.com>]

I have a Debian repository mirror on my filesystem. This is perhaps 
updated once every month or so whenever I am at the office (and thus 
have access to a high-speed Internet connection). Before I go start up 
the rsync script, can I see in synaptic what's new/changed/removed in 
the remote repository compared to my local repository?

--
dave