We just bought DVC (Bay Lake, purchased over the phone with our guide we met last August) early this week. My advice to you is to THINK ABOUT IT for an amount of time. Don't buy with hesitation. Take time, crunch your numbers, explore all options. DVC will be there for you when you are ready. Yes, there are incentives, and they are great right now. But there will be more incentives, and as someone said, it is a buyers market.
I was hesitant for about a year, but finally found myself ready to go for it. Don't rush into it, despite what your guide might say. TAKE YOUR TIME.
Good luck!