@Wankel Thanks for the info. I'll look into cross bikes and the two models you mentioned. Head and seat angles affect reach but handling too.
I'm looking to achieve maximum comfort and performance for 60-80km road rides (37-50 miles). I'm 24yrs old, doing small group rides of 100-120km per week (not racing) plus anywhere from 40-100km/week of commuting currently on my
52cm Kona PaddyWagon. In my opinion I'm not super flexible and don't have great core strength but I don't have any metrics or comparisons.