Getting some hits..

[woodgnome]

a complete waste of time and money. many of the major engines will downgrade your site if you use one of these submission 'services'.

you'll be better off following the advice given here - especially, the last paragraph.

[Lizard]

Also these companies trawl all submitted sites, and blag evey e.mail tag they can get, to sell on to mail order and other prolific spammers, my advice dont do it.