Who would like a remake?
I would certainly. But it should follow the book as closely as possible, and that includes being set in the future, with "duos" and "triphibians" as means of transport, and the various security "operations" (being forced by the law to be shirtless, or naked...)
The only problem with a remake is that the book states that the invaders come from Titan, while now we know there are no living creatures on Titan. Luckily, the book itself may offer a solution. The last chapter of the book, with the main character becoming a soldier to exterminate the slugs on their homeworld, resembles very much a prelude to Starship Troopers. So, why not make the remake as an actual prelude to Starship Troopers? It would be sufficient to say that the creatures come from Klendathu, feature the last scene with the main character and other soldiers, all wearing the mobile infantry uniform from Starship Troopers, and have Blur's "Song 2" pumping while the soldiers enter the spaceship and the main character, as the narrator, makes his final speech... that would totally RULE.