As the article states, 1080p here is the DISPLAY, not the signal. 1080p displays convert the 1080i into 1080p for display. This can usually be an improvement in the picture. But it will not be as good as a 1080 60p signal would produce. However, we will be unlikely to see any broadcast of 1080 60p, outside of Blu-ray or (maybe) HD-DVD, for decades. The cameras, editing, production, distribution and transmission facilities today cannot handle it. New standards and equipment would be needed. The ATSC definitions would have to be expanded to include the standard, and there is no way you could fit the 1080 60p signal in 6 MHz, with acceptable PQ, under today's ATSC. It would require MPEG-4 OTA, or a more advanced system.
You cannot simply discuss resolution without also considering frame rate.
No one is likely to try to feed their PS3 via a VIP622.
And, as has been posted many times in these forums, DISH is in fact moving toward making purchase difficult, (expensive) and a de facto lease only system.