Strong is the closest.
But still in the outfield of the ball park.
http://www.strong-world.com/Products/Lighting/Theatrical/LED/Neeva.aspx
I'm not sure about the "touch a Source Four" and have never seen the product first hand but have a look at Coemar's Ledko
http://www.coemar.com/prodotti_categoria.aspx?vmo=menu3&vmpo=dc3&str_navigazione=&id_categorie=102
IIRC seems like I saw somethink about a $2k price tag however so it does make a S4 look cheap.
Philip
I'm not sure about the "touch a Source Four" and have never seen the product first hand but have a look at Coemar's Ledko
http://www.coemar.com/prodotti_categoria.aspx?vmo=menu3&vmpo=dc3&str_navigazione=&id_categorie=102
IIRC seems like I saw somethink about a $2k price tag however so it does make a S4 look cheap.
Philip