I'm running on stock shocks for about two years and I have no problem with them...but i really wouldn't mind getting a set of KYB AGX adjustable shocks.
Your (popular) choices:
Adjustable:
KYB AGX
Koni Yellow
Tokico Illumina
Non-Adjustable:
KYB GR-2
Tokico Blue
Koni Sport non-adjustable
or you can just blow it all and get some Bilsteins or Teins