Oh happy days......
Phil from Genesis kindly dropped my DSP update card to me this afternoon.
Installation is a breeze. All instructions are included. But basically one takes the included USB stick and insert into the USB input on the front of the RS20i. Then navigate to the update menu and select to update from USB stick. You can of course update from the main server also. USB stick is a lot fast tho.
Once the software is updated you turn the machine off at the rear. Unplug and then strap yourself to the machine using the included Anti-static wrist strap and remove the very top expansion port cover.
Once removed, take the new dsp card and carefully insert into the slot down the guide rails and firmly push into place. Screw the two end screws back into place and that's it, jobs done.
Plug back in, turn on and enjoy. Your RS20i is now THE MOST POWERFUL PROCESSOR AVAILABLE.
My HT room is in the final stages of being overhauled but as soon as I have finished, this weekend, I will get to experimenting with DTS NEO X and in particular the wide speakers. If I like the sound with wides then I shall get wides installed ready for when Neil comes to calibrate the now 16 channels of Dirac Live!
Here are some pics of the card and some screen shots of the new screens. I'm currently listening in 2 channel mode with phantom centres and surrounds so I can not really comment about any audio improvements.