The BBC here in the UK do amazing coverage and insights into the sport, I'm not sure if you are able to pick that up in the US. I've seen some of the content that Sky is producing for this season and it seem a bit drawn out and boring, so I'd say if you can find anything the BBC has produced you'll be on a winner.

I've followed the sport for so long I can't remember how I got into it, I think just watching each race and listening to the BBC commentary would do the trick