Canon T90 or Canon EF 100mm f/2.8 Macro lens?

So here's the deal... I need to decide whether to buy a canon T90 body outfit with five lenses (which I've read is a superb manual camera) or further outfit my film Canon XT and digital Canon XSI by purchasing a Canon EF 100mm f/2.8 Macro lens. Included in the T90 package is a Kiron 105mm macro lens which I figure is pretty similiar ro the Canon 100mm macro. I figure the Canon T90 outfit will realy help me master the art of photography because I wont have the dependence of automatic focus etc etc. I'm going to be majoring in photography so whatever would me help further in life I will obviously lean towards. I'm having trouble deciding. Any suggestions will be extremely appreciated:)