Which bike looks the better deal?

[Jace]

Just digressing slightly from my other post regarding TT bike or Carbon wheels...just wondering which of these TT bikes look the better value? When I picked up my roadie last year everyone was super helpful so any advice would be great! I know that theres whole range of factors that effect price so assuming that they are all normal wear and tear for their age.

I am looking at some 2nd hand options and this is just a snap shot if what I have seen around..

Cervelo P3 (Couple of options both 2012) for $1500-$1800
Cannondale Slice (2010) $1600
Felt S22 (2011) 2nd hand variant for just under $1000, new one for $1300

Anyone else seen anything worthwhile? I have been keeping my eyes on the Facebook marketplace group as well...