Another take on constant temperature cooking:   http://www.kitchenaid.com/shop/-[KSM1CBL]-408088/KSM1CBL/#     Thanks to Kerry, who posted the picture from France, I now have one of these things on order.  From what I have read the temperature control is not precise enough for sous vide cookery, however it should be more than acceptable for, say, ice cream.  I understand the temperature setting is in two degree increments Fahrenheit.   The Precise Heat Mixing Bowl has an adjustment range from 70