My duratec came with Pro-kit springs, they were way too undersprung for me. Can't comment on the H&R sport, I currently run the H&R race springs. Someone would have to chime in who's used the H&R sport springs.
Parking Lot Hero
2008 WRX daily driver
2003 ZX3 23D Autox Car 42 FSP
"Hella Functional - Raced, Not Hard Parked"