Facebook group vs. fanpage someone help me

Ok this is my problem. I have an idea for a website I want to start. I'm not going to give out my idea but let me use an example. I want to start a website for dating big women. To get some visitors to my site I start a facebook fan page of big women or a facebook group for men that like big women. And then at some point once I get members in the group or people on the fan page I turn them on to my site. Can someone please point me in the right direction. I'm even interested in people that may have services that make fan pages or groups. Thanks

Create a fanpage, put your sites link on it or make an fbml page and invite people to it. Or you could just invite people to your page and post status updates with links

So fanpage is better than a group for what I am trying to accomplish

watch how you make the Fb pages tho. Anything sec related and they will delete it faster then you can blink an eye.
Your best answer is fan page and link them to another site. From there you can run offers and have an adult theme.