I've been looking around for a WR450f The cheapest I've found an 07' for on the internet is around 6150 In TN. I found a 06' leftover in MS, at the TN line for 5100. I've been telling myself that I want the 07' for the Aluminum frame, but is the 1000+ really worth it for the 07? I've thought about buying used. But havent really looked around for one, I'm going to pick up a cycle trader tomorrow to browse and see what they have. Any advice??