Creating directory of directories. need help

I am creating a new paid directory. www.dirpoint.com
Going to do huge promotion too.
I need help in creating categories. Which categories Should i create.

 

I would make one for free no reciprocal links
One for reciprocal links needed and one for paid links

 

one category for niche
there are many for niche but heres a few

Adult
Arts
Autos
Blogs
Business
Computers
Dating
Education
Entertainment
Finance
Games
Gambling
Health
News
Real Estate
Recreation
Science
Shopping
Sports
Travel

 

check out the popular web directories as reference, such as business dot com or dmoz...

 

Directories of Forums
Budget Paid Directories
Premium Paid Directories

Never been done before but maybe a Paid Directory category split into 2 subcats, one with directories that give refunds, one with directories that dont.

Useful to your users, saves them looking, saves them headache.

 

@pipes.
Thanks...
Directory will be ready in some days...

 

Cool, all the best with it.