Is Calypso Cay Suites in Orlando, FL a scam or a really great deal?

Me and my family are hoping to go to Florida over the winter break, and came across a $159 deal at "Calypso Cay Suites" in Orlando, Florida, which is owned by Calypso Cay Resorts and is on the same property. According to the deal, which you can read at a href="http://www.saveonresorts.com/resorts/orlando/amerisuites.asp?promo=GGwdwCCSfloridaCAN&gclid=CMuZ39fy65YCFQazsgodhDx_rQ#," rel="nofollow"http://www.saveonresorts.com/resorts/orl…/a you pay $159 for four days (three nights) at their hotel, get two free adult tickets to Disney World, a buy-one-get-one-free adult ticket p for "Arabian Nights Dinner Theatre", free shuttle services to theme parks, a free continental breakfast, and a room that apparently sleeps 6. It sounds like a great deal, but I'm wary of the low price. Apparently we'll have to sit through a 90 minute "sales presentation" on why we should buy timeshares with Calypso Cay Resort, but they say it's the only catch. If anyone has used this package before and can share their experiences, I'd be very grateful.