i'm having a hard time picturing what you mean by 'forward swept delta'
A 'delta wing' by definition is one that is triangular shaped, like this:
So by 'forward swept Delta' do you mean that the triangle is reversed so that the straight base of the triangle in at the front and the 'point' of the triangle faces rear? that would be pretty unusual, I don't think I've seen kits for anything like that.