Gosh, I'm not really sure what to tell you except for you have to go through the process of paying for the league before you know what you are paying, I guess. I can't see the same thing you are seeing because I already have leagues and am not starting new... Here is information about it on my Refer a Friend link:
**This offer of a onetime 50% discount from the 2010 Fantasy Baseball Commissioner League full price of One Hundred Seventy-Nine Dollars and Ninety-Nine Cents ($179.99) (the "Offer",) is only open to individuals who create a new 2010 CBSSports.com Fantasy Baseball Commissioner League between January 19, 2010 and April 22, 2010 and who qualify with the eligibility requirements below. Existing leagues are not eligible for this Offer. Offer cannot be combined with any other offers, including Prepay and Early Bird. In order to be eligible to receive the Offer you must be thirteen (13) years of age or older or of legal age in your area of residence, reside in one of the fifty (50) states of the United States, the District of Columbia or Canada (Excluding Quebec) and fall within one (1) of the following categories. Offer is void where prohibited. This Offer may be modified or terminated at any time without notice. Certain terms and restrictions apply. Offer expires on April 22, 2010.
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CBS Sportsline 2015 discount (15% off) http://cbssports.com/ref/54156180