There are several companies that provide direct TV, with HD and DVR. DirectTVPlus HD DVR offers a service where you can record, watch, and delete shows in any room, with just one HD DVR.
Yes, just use a HD DVR with an internal tuner.
A high definition DVR upconverts non-HD content to HD. Also, it can store HD videos on it's large capacity internal hard drive. You should buy one of these.
You can use any make or model you want. It depends on how much you want to spend and what features you'd like.
First off, I am assuming that by HD you mean High Definition, not Hard Drive. Yes, and you will probably pay less that you would for an HD DVR, but you may have to start looking at used machines to find one. Most new DVRs are HD-equipped.
In order to see the different brands of HD Dvrs, the best place to look is where it will list all of them out. DirectTV seems to have the best HD Dvrs, but there is also a brand called Channel Masters that could be considered. http://www.nextag.com/direct-tv-hd-dvr/stores-html
yes...it has software to connect u to everything...super ez
Yes.
If the operating system is compatible you will be able to connect the Touchsmart to a HD DVR unit.
You don't technically need an HDTV to use an HDDVR, but you won't actually be able to see the shows in HD if you don't have an HD TV. It seems pointless to pay extra for the HD feature when you can't even use it.
The purpose of a Direct TV HD DVR is for recording device for recording television shows and movies in HD from satellite television channels. Direct TV offers satellite television service in HD,
The Comcast HD DVR to some is not reliable, many have switched services or started using Tivo, which has been around for a lot longer and is the best.