The Lego Star Wars Death Star Troopers is one of the three new battle packs released in March 2014. This set retails for $12.99 and is available on Amazon. Below is a brief video review and my remarks regarding the set.
The set features 4 new minifigures. The Royal Guards come with dual-colored capes and the death star gunners have different head printings. The turret has a flick-fire missle but is otherwise unremarkable and not so useful for army-building. Parts-wise, it contains an ok selection of brackets but nothing that makes it outstanding. I think this is an average battle pack.
I think part of the value of this set is, to my knowledge, the royal guard minifig head isn’t otherwise available right now, except for the Death Star and Star Destroyer. The last “affordable” set to actually include them was in 2005, I think.