I always liked this company's rendition of the GT3 style bumper for the 986/996. Its made by a Germany company called In-tuning.de. Its also a high quality TUV certified product. The importer in this country is Strictly Foreign, however, there's a seller on Ebay who offers it as well.
http://www.estrictlyforeign.com/INOAK-PORSCHE-911-996-FRONT-BUMPER-p/in%20900034.htm