IN terms of complexity : 5016, 5002, 5101, 3939H, 5004, 5959
In terms of classic: 2499, 1518, 3450, 3919, 3970, 5070, 5020(imho)
in terms of best aesthetics: 5098, 5070, 5020(imho),5959
in terms of "omg what is Mr Stern thinking?" :6000, 5960, 7071
Just my 2 cents
Larry