We just bought a resale, and we got a great rate from one of our credit cards - no interest for one year, after that, 3.9% for the life of the loan. Instead of calling it a cash advance (which has higher interest and extra fees) they called it a balance transfer, but deposited the funds directly into out checking account. We just went to the bank and got the money put into a cashiers check, as required by the closing company.
We have budgeted to have the entire amount payed off in less than two years, so we only will pay interest for less than a year. This worked out much cheaper than a home equity loan, and all it took was checking with our credit cards to find the one with the best offer. However, if you go this route, make sure that you use a card without a balance, otherwise, you will get stuck with more interest fees.
Our resale closes this week, and I can hardly wait to make that call to member services for ressies!