TexTools has a macro that you can bind to a shortcut. It smart selects the extention of your current selection. So if you select a face in 3d or UV space and use that macro it selects the whole UV island. If you select a edge on the other hand it will loops select the edges in the UV view. Don't remember what it did on…
I think select element in the 3D window doesn't stop at seams it selects the entire element just like edit poly? Aside from what has already been suggested I think there is a "expand selection to seam edges" so you select a face and hit that command.
I've often got good luck taken advantage of you kind scripter fellas and figure i would try again!. actualy this may already exist and i just stupidly dont know about it, heres what i would like to do with an unwrap modifier on be able to select a polygon on the model in the 3d window, and have it select teh whole uv…