Thanks for your comments, we always appreciate good reviews!
This is exactly where you want to be to get some answers for your restaurant, all I'd need would be a basic description of the building, its overall layout, and what specific items or areas you want to monitor, and what the lighting is like in those areas.
Generally for a restaurant we'd want to see cameras monitoring your registers and front door, followed by your kitchen and any serving\dining areas. Of course, what you want may be different; what are some of the issues you've come up against that cameras might be able to help with?