look for post once in wordpress then mass publish it tool

i got unique high quality articles and a blog i just got started, i dont want to do "cheat" , all my site is unique.. i want to publish the posts to many eyes as i can at once, i know ping.fm and postezaros , but they have limit networks that they support on publish, is there a software other service that i miss here maybe? what about sickmarketing.com or article submit robot? please guide me what is the most usefull tools to do post publish easier...