Hughes is bringing to market a JUPITER System gateway configuration that is optimized for conventional satellites using C- and Ku-band capacity.
Here is a link to Satbeams ..... planned :
One can check the entire Earth's circumference for upcoming launches.
After all there are only so many orbital slots up there, only so much bandwidth available in a given frequency range. The building of these things take time and launch facilities are limited.
When Spaceway3 was announced it seems that the ability to perform some duties on-board was considered a breakthrough. I'm sure that has been expanded on Echostar17. Goodness only knows what is planned for the next series of birds and beyond.