Musicprotutorials has released the MPT Deep House synth for Reaktor. They say that you can grab the synth, which specialises in deep house one finger chords and includes many presets, by watching the video and then using a pay by tweet/Facebook link to grab the file.
Pricing and Availability:
Mr Kyteman gives a performance and a rundown of the modular rig he used for performance at Modulation
The first in a series of patch demos using the Abstract Data Octocontroller