WTB: p3 or SC please help

So I have some carbon fiber damage to my frame and in need of a new tri/tt frame asap and cheap. So far I’m down to a 09 Cervelo p3 (never used) or a slightly used 12 Trek SC 7series frame. I can fit both and regardless I have the components for both and Ventus bars. Both priced under 1K. What do I do? Speed is all that matters. Was averaging 27plus on my 10mile TTs last year. Want to hit 28mph avg but can’t afford much.

So if you have any other bike frame for sell in that price range. I need to buy asap.!!!