I am so in. I will definitely help you choose a design that is both visually appealing and functional.
This is must have:
1) Big center opening for radiator.
2) Extended lower air splitter to keep the airflow tidy
3) smaller side vents ala M3 (e46 and e92) so we can put our oil coolers/ power steering coolers / brake ducts.
4) Available intake ducting (make sure they are in high pressure not low pressure zones)
5) Try and make it helpful to evacuate air out a vented hood
Here's some inspiration:
Make anything like those last 2 and I will buy it.