here is where you can compare any model..the Jem Platinum, which is what i have, is retired i think. the real difference between them, is the platinum is electronic..which i wanted, simply because my Janome 6600 is too..the feet are interchangable also.
http://janome.com/index.cfm/Machines...uilting/Jem760
the magnolia is around 18 pounds.
hello kitty,is the smallest one..i have never sewed with either of them though.
Any machine your thinking of buying should be test drove if possible.