choose the one with the best tech/service available-close-
when making such an investment you should take advantage of the free owners classes dealers offer- so choose the one with the dealership you will want to visit-and take classes with.
when i bought my viking i had to drive almost 100 miles- for 3 different days to take the classes- they were worth it- i learned everything about my machine- --- so often people buy machines and never learn all the great things they could do with it- if they just took advantage of those classes.