Keep in mind they could be announced in advance of actual being available, and that supply could be restrained if they are. If they repeat the launch of the original, it could be mid-year before mere mortals can grab one off the shelf of their favorite electronics store.
Like it? Like yourself? 😉 Buy it now. If you find yourself truly compelled by the new one, then sell the old. You can bet demand will still exist for the original models.