Very similar to the Viark DRs2 and those were popular till they stopped production on them.
Is it ok to get ? Depends on use if your are wanting it to clear DE IT and UK you need to ask the SP1 sellers if it will im not sure.
Support they will be like any other Forever box support is already on here, as for firmware i dont post it as that brand of box never really sold in Europe it was for countries outside of Europe.