We used to do them as HELOCs too, but as Dan said they really are business purpose loans, so now we do them in our commercial loan dept. as commercial lines of credit.
When we first learned of this, lenders were upset b/c they thought that would affect their ability to get the biz since they were written as commercial lines (since HELOCs often had better pricing and terms), but soon after, we heard that alot of our competitors were also changing their guidelines, so it no longer became an issue.