I have used ADP and found them first rate.
http://www.airdesertpacific.com/ found them first rate for hour building and FAA IR.
I have also used Universal air and found them first rate as well, I rented their Arrow IV found them cheap and very helpful.
http://www.universalairacademy.com/
This photo looks like the PA28 is on a left base for El Monte airport. Very scenic against the mountain:-
http://www.universalairacademy.com/N38700.html