The Tactrix Openport 2 is far more expensive. (
Tactrix Openport 2.0 ) Not sure what that listing is selling. In any event, unless you're looking to modify the programming in the ECU, the capabilities of the Openport are far more than needed to run the Romraider Logger.
When I first planned to use Romraider, there was no ECU-specific definition file for my engine, and, of course, the car was not listed in the coverage. Nevertheless, Romraider still worked, with only a few missing parameters, and others actually displayed but with different "titles/names".
It's my understanding that when the Logger and ECU definition files are downloaded and set up properly in the program, Romraider's Logger function (separate from the ECU Editor) will use those definitions (basically computer "addresses" for each parameter) to find any corresponding parameters in the ECU to which it's connected. If there's data at that address it will display it, using the "name" for that data series that it does have from the existing definition files.
Consequently, even if your particular engine isn't listed, I think it's likely there would still be quite good coverage of the available parameters. ( NOTE: This applies to the Logger function, which is only to display live data. The ECU Editor will not work without a ECU-specific definition file.)
Moreover, although the downloadable definition files might not list your vehicle, or even any H6 from that period, there might now be an H6 ECU definition in the Forum. Once Romraider connects to the ECU, it will display the ECU ID in the band at the bottom of the Logger page. That ECU ID can be used to search the Romraider Forum, to see if it has been defined separately. If it has, then there will likely be a downloadable ECU definition file. When that is installed in the your definition file folder, Romraider will then use the definitions from it, as above, to seek out parameters. This usually adds a few, including some "extended" parameters that even the Subaru Select Monitor does not have, and corrects any that were "misnamed" when using other definition files as proxies. Alternatively, if the ECU ID search doesn't lead to a specific definition file, the forum can be searched for similar ones, i.e., 2002 H6, and perhaps other years of that generation.
(Note: In the Forum, ECU and Logger definition files can be found for Romraider and for ECUFlash. It's my understanding ECUFlash is a different, although somewhat-related program, and it's definition files will not work.)