Hello there !
Here is my version of the Scorpenek droid from the final Chapter of tBoBF.
- it has 335 pieces
- it is in the Minifigscale range
- it is Posable
- it should cost under 40USD to build from brinklink.
The instructions are available on Rebrickable ! (3USD)
And soon on Buildamoc.com.
Real life photo: