You can do it here http://hucast.com/product_info.php?info ... cast-.html
Scheduled release date is spring 2013.
Please read notes in a quote below:
DUX Version 1.5 features new re-balanced gameplay and new music composed by Andre Neuman and Marco Groß.
Features:
-6 Stages
-16bit Soundtrack
New 1.5 Features:
-Re-balanced Gameplay
-New rockin' Soundtrack by Andre Naumann and Marco Groß
-Custom Controls
Device Support:
VGA Box, Arcade Stick, VMU support.
Note 1: All customer who own a DUX 1.0 copy will obtain a 1.5 revision single disc for free.
Note 2: Kickstarter pledgers of Redux: Dark Matters pay a discounted price. You need a "kickstarter discount" account to receive the discount.