Ultrabooks

hii..

m thinking of buying an ultrabook..

bt m soo cnfused in choosing one..i want something dat is of grt quality ...stylish..affordable..n gives good performance as well..

plz give some suggestions..

till now..my choices are..

samsung NP305E7AI
hp envy 6 1011tu
dell inspiron 15z

better if the ultrabook is not of black colourr...m a girl...