The Xvario have a unique jpg engine. One that produces amazingly nice results that leans towards desaturation. However that is not the full story.
Its not easy to simulate the Xvario jpg colors and feel but i think i got it working at least in some lighting condition.
You can download the preset here, foc, courtesy of Marcus low photo, do kindly point others to download from here so that i could enjoy some moments of gratification.
But please be aware that this is for the DNG that came in Xvario itself ;-), yeah sorry, i know its kinda pointless if you are using other cameras and this might not work as advertised.
Download preset for Lightroom : here