No, I would rather have a constitutionalist. Anything a judge can give you another judge can take away. A real conservative would never cede power to an unelected judiciary.
Regardless who the replacement of O'Connor is, the court will remain too far to the left until Ginsberg & Stevens either step down or otherwise leave the court by natural causes. One way to tell if the right person is nominated is if the DUmocrats claim the next nominee is a "Right-Wing Extremist".