Hi,
A lot of the stuff in here should not be in here...
All the requested functionality are supposed to be modular and we not need to re-invent the wheel here.
What you need is just a designer who will create you a visual as .psd and once approved, slice it, make the skin and write the CSS with consideration for specific modules or extensions that need to be predefined.
We need to go through each foundation platform at the begining and choose which extensions will provide the functionality you are looking for and once we have our list - design the skins around them.
I hope this makes sense.
Cheers,
Darren