Hi,
When I started playing with SSIS I used the UK postcode CSV file from the wikileaks website. It has over 1.8 million rows.
http://wikileaks.org/wiki/UK_government_database_of_all_1,841,177_post_codes_together_with_precise_geographic_coordinates_and_other_information,_8_Jul_2009
They say you need bzip2 to uncompress,...