I have absolutely no need for something like this and the price alone would deter me but this is interesting.
http://www.surlatable.com/product/PRO-2145126/KitchenAid+Precise+Heat+Mixing+Bowl+for+Tilt+Mixers;jsessionid=58F08D6D0F30BD2AD51F64B0B64C8997.slt-app-02-p-app1
http://www.surlatable.com/product/PRO-2145126/KitchenAid+Precise+Heat+Mixing+Bowl+for+Tilt+Mixers;jsessionid=58F08D6D0F30BD2AD51F64B0B64C8997.slt-app-02-p-app1