Genesis Premium Child theme suggestions wanted

I am going to use a Genesis Premium Child Theme …

I have picked out some possible themes that I thought would work
I am looking also for ease of working with one of these themes and the look and function:

Lexicon
Delicious Theme
Backcountry
Crystal
OR Do you like anyother Child Premium theme from Genesis?
(some suggested Prose-but it seems manily for blogging)

The site will be used for: a site about pets and wildlife
a blog- articles on main subject
an area about advocacy
an area for people to write their own (moderated)
an area for commerce
short video clips
maybe a pictorial area- of all posts of pictures (thumbnails to identify articles)
of course the usual contact etc.

these above are the ones I am considering = do you have any thoughts on these or do you have another suggestion from the premium child themes…

Thanks!