I've only had the free trial for one day but I must say I love it... I watched parts of every game yesterday... It's not as good as your HDTV obviously and may not be quite as good as your analog sets but it's pretty darn close... The small view is great, you can also double the viewing size or watch full screen. Full screen is the only viewing option that didn't look perfect, but it was definitely good enough and worth the money...especially if you find a couple of friends to go in on it with you.... Plus if your TV has a hookup for a laptop you can hook it up to your big screen.
Monthly or yearly it's not a big enough price difference to matter I don't think...$20 maybe....
A-Train - Thanks for the confirmation.