>> po = GroupwisePostOffice.find(1)
=> #<GroupwisePostOffice id: 1, groupwise_trusted_app_id: 1, service_id: 2, import_status_id: 4301, name: "Post Office One", host: "qa-truro-1.dyndns.org", port: "192", ssl: false>
>> po.groupwise_imports
=> [#<GroupwiseImport id: 15, type: "GroupwiseImport", service_id: 2, import_status_id: 4301, import_interval_type_id: 3020, max_message_size: 25, test_mode: false, created_at: "2007-11-12 12:14:13", updated_at: "2007-11-12 12:14:13", mailbox: "Accounting", server_name: "acme.com", host: nil, port: nil, import_auth_type_id: nil, ssl: nil, username: nil, password: nil, folder: nil, exchange: nil, groupwise_post_office_id: 1, groupwise_folders_mode_id: 4202, collection_date_type_id: 4101, collection_date_days_ago: nil, collection_date_from: nil, collection_date_to: nil>]
>> po.groupwise_imports.find(:conditions => {:mailbox => "Accounting"})
ActiveRecord::RecordNotFound: Couldn't find GroupwiseImport without an ID
	from /Users/max/Projects/sonian/sonian-website/vendor/rails/activerecord/lib/active_record/base.rb:1364:in `find_from_ids'
	from /Users/max/Projects/sonian/sonian-website/vendor/rails/activerecord/lib/active_record/base.rb:541:in `find'
	from /Users/max/Projects/sonian/sonian-website/app/models/import.rb:85:in `find'
	from /Users/max/Projects/sonian/sonian-website/vendor/rails/activerecord/lib/active_record/base.rb:1856:in `with_scope'
	from /Users/max/Projects/sonian/sonian-website/app/models/import.rb:84:in `find'
	from /Users/max/Projects/sonian/sonian-website/vendor/rails/activerecord/lib/active_record/associations/association_collection.rb:47:in `find'
	from (irb):12
>>