There's not one, not two, but three new starter sets available to order from Games Workshop for the new edition of Warhammer 40k. It all depends on just how many bells and whistles and extras you want inside. From the biggest one with lots of terrain and extras, down to the lowest that is more "just the figs, ma'am."
From the article:
Start playing Warhammer 40,000 with the Command Edition – a set designed to give you a comprehensive start with the world’s best sci-fi wargame. With models, rules, guides to help you begin and much more, this massive set takes the hassle out of kicking off your hobby – build your models, learn to play and have hours of fun with a friend or family member right out of the box.