Just finished conducting a series of tests on this, and Richardson has the right answer, actually (which, since he's had this same problem before, prolly works): You want the reflect and refract of RayT...just not it's harsh shadows. Make your shadows with another spot and disable cast shadows on the RayT.

thou and I, my friend, can, in the most flunkey world, make, each of us, one non-flunkey, one hero, if we like: that will be two heroes to begin with. (Carlyle)