I think add-ons are a point higher than new contracts--11.95% Also, that rate is for electronic debit from you checking account. If you want to receive a statement, I think the rate is 12.95%.
Be carefull with a home equity loan. Do you really want to put your home at risk for DVC?
On the other hand, if you know you can handle it, the home equity line will save you some money. There is also no penalty for early pay off with Disney. The 10.95% is good for any term 3, 7, or 10 years.