Replying to Help a girl out, what size skis for park?

what size skis do you think i should get for park? i am 5'1. normally i've been skiing a 165mm pocket rocket, but there thrashed. new to park.

also i really want to get a pair of seth pistols for big mountain, but a girl friend of mine says the 169mm are going to be a pretty big ski. anybody think the jump from 165 to 169 on a vicious or a pistol is that big?

any why your at it, what kind of skis do you think i should get?