bicker wasn't saying no one guarentees NS, he was saying only a few places guarentee a specific room. In general, they have rather inflexible booking policies - i.e. a cruise ship departs Saturday, arrives back in port the next Saturday, they aren't turning over rooms each day of the week. The same with some other timeshares - if you are required to book a week, defined as Saturday to Saturday, that makes it much easier to book a specific room. The problem with specific rooms (or room guarentees so specific that you might as well be booking a specific room - how many dedicated two bedrooms with two queens non smoking non handicapped high floor Epcot view rooms are there?) is that the possibility of leaving holes happens - i.e. I check out of that room with my guarentee on Tuesday, but you won't check into that room with your guarentee until Saturday. And
DVC isn't designed for holes, its designed to operate at or near capacity.
So the next question on this software program. I book a room, and I'm a little late at making my reservations. My request is non-smoking, but I'm late enough that I don't get it. I book smoking. A month later someone cancels their non-smoking reservation for my dates. Is the room reallocated to me automatically? Or does the person lucky enough to call MS that day get the room? How about if it isn't all the days, but I'll only have to move once? What about one day in the middle? Should MS call me before moving me? Is their a waitlist?
(In my experience, a non-smoking guarentee at a hotel isn't worth a lot. If you check in late and the hotel is at capacity you are lucky if they have your guarenteed room, much less with your smoking preference, I've been "moved" to a different hotel because they don't have room for me. I've been stiffed on guarenteed rental cars (sorry, we just rented our last one, yes, I know that's a confirmation you are holding), too. They do always gladly refund my deposit. Hotels, if they have the opportunity, overbook figuring some people won't show)