There are more and more third party cases floating around for the Samsung Galaxy Nexus. Some only work with the GSM version; others will work with both the GSM and LTE variants. This particular case from Spigen [SGP] is particularly good looking!
It’s a 2-part case: The inside part is a polyurethane plastic sleeve that provides protection scratches and bumps. The second, more colorful layer provides a hard plastic layer of outside protection on the outer edges of your devices. This is more protective in the off chance that you might drop your phone or throw it in a bag for a trip. Check out the full video review!