Unfortunately, it looks like there isn't a "Suggestions" section of the forums. There's not even a "General Discussion" section. Those sections are sorely needed I think. In the meantime, post your suggestions in the same thread I post in:

http://forums.elderscrollsonline.com/discussion/65956/what-features-things-ideas-should-be-added-for-the-future-of-eso-updated-5th-april

Thank you for the link, I'll definitely use your thread!