Here is what I'm doing step by step:
Open Quicken 2006 (it did automatically convert the Quicken 2004 data)
I went to File> Export> All
Named the file "Copy of Quicken Data.qif" and saved it to the desktop of my MacBook.
At this point if I send the file as is it would not open on the other end saying that Power PC apps are not supported.
I discovered that if I go to File> Get Info in the Finder window before I send it and change the setting "Open with" from "Preview" to "Quicken 2006", that the file would be recognized by the new computer.
I send it to myself via email as an attachment, I save the attachment to the desktop of the Imac.
I open Quicken 2007 Lion
Go to File>Import>From QIF
Select "Copy of Quicken Data.qif"
It begins to download, then I get a warning
"Quicken is unable to import "Copy of Quicken Data.qif" becasue the transaction displayed below is too large... it goes on to say that there is possibly too much text in the split line detail etc.
Thanks for your time, any insights would be much appreciated.