mine are centered and i love them... not much help, just and fyi
-Now remember Kif, the quickest way to a girl's bed is through her parents. Have sex with them and you're in
-Is there some reason a robot made of wax can't take a nap standing up in the middle of a bunch of wax robots? Or does that confuse you?
From people who have skied them, center of running surface is pretty commonly loved. It's where the "heaven" mark is supposed to be, but you should measure since the topsheets are usually off. That's roughly -1.5 of true I think.