insert into: syntax some-more optimal preference?

sql server (2005/2008)

each next statements have same result. does anyone know outperforms other?

insert sometable 
  values ('fieldonevalue','fieldtwovalue',3,4.55,'10/10/2008 16:42:00.000')

insert sometable 
  name 'fieldonevalue','fieldtwovalue',3,4.55,'10/10/2008 16:42:00.000'

insert sometalbe
  select
    field1 = 'fieldonevalue',
    field2 = 'fieldtwovalue',
    field3 = 3,
    field4 = 4.55,
    field5 = '10/10/2008 16:42:00.000'

assuming impetus information forms review list appropriately...