Which satellite receiver manufacturer is best?!?

[Huevos]

Everything in the lower price bracket is Chinese. If you want Korean you will pay more for no real benefit.

SF8008 or Zgemma H9 are both available in twin tuner models. Hard drive is external.

If you want internal hard drive go for the Zgemma H7, with twin satellite tuners.

There are lots of other more expensive models but the above should cover your needs. All 3 are fast and reliable.

And anyway you run the same software on all of them (OpenViX) so you won't notice any difference between them unless you are looking for some specific feature.