I seem to be one of the few people who enjoyed not only Heinlein's Starship Troopers novel but the movie adaptation too. And even, I admit it, the sequel, Hero of the Federation. I blame it on my early childhood exposure to Them!
And now there's another film in the franchise, Marauder which even sees the return of Casper van Dien as Johnny Rico! Here's the official website and here's trailer-