This will find items matching a particular template.
fast://*[@@templateid='{072A5DF2-4283-4043-9A4F-7D1218F4D899}']
Without text in the item name.
fast://*[@@templateid='{0400B345-381D-4BAF-8B83-85DD52632FE5}' and @@name != '%test%']
Created after a certain date.