Although the reviews may say otherwise, I've found that the DRP shops in my area to be excellent. They are partnered with the largest dealers and major insurance carriers, and the turnaround time is truly excellent. If the repair is unsatisfactory, not only do they have to back it themselves - but the insurance carrier will back the repair as well. This is important since body shops can sometimes go out of business, and thus leave you out-of-luck.
Also, are you sure that the bumper cover needs to be replaced? If the damage is not significant, it may be cost-effective to repair and refinish the cover.
Also, are you sure that the bumper cover needs to be replaced? If the damage is not significant, it may be cost-effective to repair and refinish the cover.