okay, as for the case I have already told hubby that I need a case on wheels..... that even with the one i have hauling it around it too much for me. SO what ever machine I get I will get a case on wheels. SO this takes out the delima of that. So with just 4 pounds making the only difference in the 2 ???????? I HATE having to make these kind of decisions on a whim ya know? You ladies are GREAT!!!!