Yes it is. I use the HX-1 with MidiTzer and eventually, with Hauptwerk. I just haven't downloaded and installed the hauptwerk software yet. It works great with virtual organ software. If you are close to Dallas in June, we are having a silent movie using the MidiTzer (or Hauptwerk) for the score. If you are interested, some of our videos are at Dallas Organ Society and at my YouTube page.

The piano and organ sampled software has improved by leaps and bounds in the past two or three years. I just received the Galaxy Vintage D software piano today and will install it as soon as I decide which external hard drive to use for the piano samples. Glad to know I can just use it with PTP as a plug-in.

Don