Yes correct. Most pros in fact change their amps and effects first, and unless that doesn't solve the problem, then a pickup change is considered. But alright, i'll give my suggestions too:
DiMarzio X2N - Like bro VidaK said, cannot go wrong.
DiMarzio D-Sonic
EMG 81/85 set
Dimarzio X2n. You cannot go wrong.
Dimarzio X2n. You cannot go wrong.