GameFly.com has recently updated their current offerings.  They have unlimited rental periods and no late fees. They never charge for shipping and provide you a pre-paid envelope to return the game. If you really dig the game, you can keep/buy it at a discounted price.  Not a bad option to get more mileage out of your wallet... 

Here are the current offers when signing up:

• 40% Off First Month:

  • 1 Game out - First Month $8.95 + Magazine Bonus ($15.95/month thereafter)

  • 2 Games out - First Month $12.95 + Magazine Bonus ($22.95/month thereafter)

  OR
   

• 10 Day Free Trial:

  • 2 Games out - Free 10 Day Trial + Magazine Bonus ($22.95/month thereafter)

Click here for this deal:  Gamefly Promo