We financed through Disney for 10 years. However, we will have it paid off in less than 3. Our financial advisor told us not to do a HELOC for this purchase if we are sure we can pay it off within 3 years, and/or are OK with the finance charges for longer.
Our choice was to finance (even though we got the standard-not preferred rate) with the declining housing market, and the HELOC potentially being a 30 year payment, that was the best choice for us.
A lot of people here would be against financing this type of purchase, but for us, the interest is going to be minimal and the payments are MUCH easier to handle than a bulk payment!