You could probably find those same shows on www.hulu.com. and it won't cost you a dime. Give it a try.
I already did, they don't have them, buuuuuuttttt they do have
-Highlander
I've been with Netflix for like 3 years. It has saved me so much money. Back in the day, I use to buy a few DVD a month. Most were wasted.
The Instant Download was added later and is just a plus but is very nice.