ItalianBudz,
I'm interested in this as well, let me know if you find one that suits you. With vertical your biggest enemy will the the height restrictions of a tent.
So I'd like to ad to this post - Who makes the highest tent?
omg santa grows weed!!!!
anyway would def recommend making your own tent
some 2x4s and some visqueen or mylar will work out great if your willing to put in some work