That being said, how does 'Forever's Price' sound? Or 'Forever's Toll'. 'The Forever Price'? If something comes to mind that is in a similar vein, I'm all ears, or eyes, as the case may be.
Oh, and you Duncan fans may be happy to know that he is the major character in the next one. No Methos at all. And a new OMC due to make an appearance as well.
Later: The List
'The Forever Price'
'Forever's Price'
'Abandon Forever'
'A Life Goes By'
'Beyond Thunderdome'
'Eternity's Toll'
'Who Wants to Live Forever?'
'A Taint of Eternity'
'What Price Forever?'
'The Price of Forever'