If you have a large budget go to the directories section and make an announcement and get wholesale prices from directories that way you'll give the info and will be given the url of the links for the check and you pay the ones you like and you cancel the orhers. - Hire someone to do this but go site by site as a directory owner I'll directly reject 190 sites city1 city2 etc of free submissions.
I can help you with the manual social bookmarking submissions for all of your sites to social bookmarking sites. Please, let me know if you are interested and I can do this fast.