Yes, it seems the 922 is the old 721, the much anticipated first dual tuner DVR, only to have the 721 released late, have continuing odd behavior and issues, promised advanced features (even demo'd on Tech Forums) that were NEVER released: keyboard, internet access just to name two. Then not too long after, the 522 was introduced and, after a short spell, it and the subsequent 625 became all and MORE that the 721 was supposed to be (no keyboard or internet access, but more or better features than the 721) and much more stable and it all worked very snappy and fast, not the 721 slog fest.
I was really excited about the 922 and seriously planned on getting one, but at this rate, I am on the verge of giving up on ever getting a 922 and may wait for the next gen product that will have the same and more (writing to external HDD, Sling working as it was supposed to) features and do it all well. Now, if Charlie will please tell me when Echostar plans to release the (my made up model number) 924? I guess I'll get the DVDDO this fall instead. I need it more.