Yea its called 2 HD DVRs
With this setup you can record 2 shows at once ,while watching 2 live shows at once.
Or record 4 Shows at once, while watching 2 pre-recored shows
Difference is , with 2 HD DVR's your getting 4 Satellite tuners instead of Dish Networks 622,722k 2 satellite Tuners only for 2 rooms to share.
The 622 can only record 1 show and watch 1 show through satellite. And one of the rooms has to watch the show that being recored.
Or 1 HD DVR and 1 HD receiver with MRV
Difference with the MRV setup , you'll have 3 Satellite Tuners to share Between 2 rooms, but you can also watch what you have recorded in both rooms,as well as record in both rooms.