You should check out Techie Warehouse. If you go to the Covers & Skins area for the Droid X you'll find over 300 covers to choose from.
Best one I got laying around was not a Seidio, Otterbox or Trident... it was the Dual Layer Vertex Covers just google "techie warehouse vertex cover for droid x"
I quote from our product description about this product "The Motorola Droid X gets ultimate protection. A Screen Protector and two virtual walls of defense. The inner silicone core absorbs shock from bumps and drops. A hard polycarbonate exterior shell prevents cuts, scrapes, dings, and damage for the Motorola Droid X."
Let me know what you think of it.