I somehow against to the paid posters too, I prefer to promote it as much as I could and let it grow naturally.
If you can get some one reliable forum manager who would manage and also post to run the forum well.
But I think it would be costly affair.
i have a tech forum too and i learn that loyal posters are really hard to earn.
Submit Your Webmaster Related Sites to the NB Directory
I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine.