Depending on the terms available from the banks and how much you are talking about, then bank funding would be my choice. I noticed yesterday that ASB (who seem to have most facilities on offer now) said they would be posting in their website on Friday, what the Govt. guarantee bank funding structure will look like, so maybe worth holding out until the details of that are published – presume by all banks.
My brother in the UK has been granted a very large loan repayable over 3 years under the UK scheme, with the bank firstly insisting on a PG from all customers but then retracting when the govt. got wind