The uniqueness is what's drawn me to the 56XX. It looks and smells GWR, but is really very different from the usual Swindon style. I hadn't notice the position of the lower middle lamp bracket, I guess they had to put it somewhere! I'm pretty well off for stuff to build at the moment, there's the 58XX I'm building at the moment, and I've also got two 6 wheel milk tankers, a MK1 BG and a MK1 BSK to build. There's a good chance I could do a 56XX in the future.
5900 is a Hall isn't it? I took that photo during my visit to Didcot last summer. Must try to get up there again to take some detail photo's of 4866 before I finish my 58XX.