If you are looking for a chrome H2 Skid Plate, the least expensive on line retailer is Carolina Classic Trucks:
http://www.carolinaclassictrucks.com/p-RW500-1.html
The part number is RW500-1 priced at $235.20 with the return of your used Skid Plate. The vendor is Real Wheels. Great product!!!
For the H2 logo on the Skid Plate, try Auto Trim Design. They have many different colors and even two color H2 logos. The price is only $31.45 plus Shipping and it is better than paint and will outlast your truck.
http://www.autotrimdesign.net/detail.jsp?itemId=7171&category=6866
Call and ask for the Hummer H2 Skid Plate Decal, they even have the 04 Victory Red color available.