I am currently a DISH customer and have been for a long time. Considering switching to Directv to take advantage of their new customer deals. Basically, it looks like you can get a whole home hd dvr receiver and up to 3 hd receivers for $99 plus free installation. I'm just wondering what I should be getting. I have 2 hdtvs and 2 sdtvs. I would like whole home dvr, but do I need hd receivers to use that? Do I even need boxes on all tvs (the whole home has 5 tuners)? Will they even work on my sdtvs? Is it cheaper to just buy the hd receivers/remotes (2 years+ at $6/mo each adds up)? If so, good place to buy them? I was reading you can't pause live hd on direct - is that right? Any other crazy difference between direct and dish? Any other tips/advice? Thanks in advance.