Over the past 12 months, I've updated my "home theater" from a 13" TV + $60 VCR to a $6,000+ extravaganza. 50" DLP, nice 5.1 stereo, HTPC, the works. At the same time, I've added an XM radio to my car.
I am much more excited about the XM radio than my new home theater. For those people who spend time stuck in their cars, this is the greatest thing ever.
I spend over an hour a day in my car, and I need something to listen to. No matter how many tapes or CD's I own, they got old after a while, and picking them out ahead of time took more forethought than I generally had. So I was left with radio, which mostly annoyed or frustrated me more than it entertained.
I now look forward to that time in my car. Some days I'm into pop music. Other days it's classical or movies or Broadway. When there is something interesting going on in sports, I've got 4 sports talk radio stations to choose from. Then there is my favorite, the Old Time Radio channel. Time in the car flies by listening to Dragnet or Suspense or X-1.
This note isn't meant as a plug for XM over Sirius. For all I know, Sirius is just as good. It is a plug for the whole concept. If you spend significant time in your car, you owe it to yourself to seriously check it out!