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If you are submitting it 300X that will be classed as Spam if all the pages are the same.
I would submit them differently.
I would also suggest that you find some sites that are listed and then contact the owner for some link trades. That will increase Link Pop as well.
If you can, ask for link exchanges. That is what I do for my site. I am picky who I link with, so I do not have a million links, but it has done wonders for me in the SEs, especially Google.
Check out the SE submission forum for more info also
Naturally, too, you should work to get the major directory listings like ODP, etc.