For those contemplating DVC, here is a little quiz I prepared to help you in your decision. It doesn't address everything but if you can say yes to all these questions, then you may want to look more seriously at DVC.
Just PM me if you have any questions. We bought at SSR in 2007, added on at AKV the same year and again at AKV in 2009. Our only complaint is not having bought sooner and not having enough points -- so we added on twice. (but of course I'd love to add on even more points!!)
Marshay
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Will you go to Disney every 1-3 years? (Remember you can go anywhere in the world but the best use of your points is through Disney)
Do you enjoy the Deluxe resorts? (if a room is just a place to stay, then DVC is not for you...stay at a Value resort or priceline a hotel on I-drive)
Do you need/want the extra space? (Best value IMO is a 1br with a full kitchen, separate living area, washer/dryer, jacuzzi tub, etc)
Do you want a kitchen/WD? (we like to eat breakfast in the room, have cold water/soda, snacks, even bake choc chip cookies, etc. We don't cook full meals yet. We do a load of laundry each morning before going to the park and dry it when we come back. With two small kids, this is a god-send ... also means we pack less luggage.)
Can you afford the extra costs? (Initial Cost of $15K-20+K, annual Maintenance Fees and costs for tickets, air, food, souvenirs, etc. You are going more often so costs actually increase -- but you never pay for a room again and you get great discounts on tix, restaurants, tours, etc)
Can you plan your vacations in advance? (preferably NLT 7 months. Although you can make a vacation at almost any time, if you can plan 7-11 months in advance, you'll have a better chance to get exactly the resort, days and view you want.)
Can you track/organize your points? (Just a little on-line/paper work to make sure you don't lose any points)