Other considerations:
1) You will have a choice of major US Network Feeds (NBC, ABC, CBS, Fox, and PBS) from
either the Eastern (Detroit/Buffalo) or the Pacific Time Zones (Seattle/Spokane)
2) You will not be able to get your local stations via Shaw, unless you happen to live in one of the areas mentioned under (1)
3) You can get a wide variety of programming in French, if you care.
4) Although the Canadian channel may carry a program simultaneously with an American Channel (e.g. the Superbowl) the commercials you will see will be Canadian in place of what is shown in the US, again, if you care.
5) Shaw has an HDef receiver that seems to work well (the DSR-605), but their HDPVR offering (the DSR-630) seems to be fraught with problems, most of them relative to the recording capabilities. You can read about them here:
Shaw Direct 630 Official Problems / Issues / Resolutions Thread. Read posts 1, 2 - Digital Forum
Note that, to date, there are 58 pages of discussion about the 630's problems......
6) Be aware that using subscribing to Shaw in the US is "grey-market". Thus, there is always an
outside chance that circumstances beyond your control will result in the loss of your account, and hence your hardware investment. Read the sticky threads in this forum for more information, or do a search for "Freeway Support Services" in this forum to read some horror stories. But if you follow Iceberg's advice above, you can minimize the chances of this happening.
7) There is also an
outside chance that, in the future, Shaw will launch satellites that whose beam will be limited to Canada and the northern US. If this ever happens, a lot of us will be in the dark, and, again, we will have no recourse for recovering our investment.
8) You will have to install and point your dish yourself, or find a tech in your area who is
both willing and able to do it. In truth, you can do it yourself; it isn't that difficult.
9) The hardware (new and/or replacement parts) is only available in Canada or via the Internet. If you have it shipped to the US, you will pay a fairly hefty fee for the freight. I think the best option is to go with a certain company that will provide the hardware and also act as your broker. Send me a PM if you want more info.
10) I believe that for every SDef channel in your package, you will also get the HDef counterpart, if Shaw carries it, for no additonal cost.