I have to agree with this, I caved in after Christmas and got one off facebook market place for £500 - £50 more than RRP, was playing lots of vahalla at the time and looked forward to a big improvement but it did not happen. The games load much faster and do look a little better but not by a lot. I have a decent TV a sony xe9005 which can not use the full power of the xbox.
I did have a nice collection of N64 games and 2 consoles which somehow got lost in my move a few years ago, most annoying was the golden eye disk had all of the hidden cheats unlocked. It took hundreds of attempts to do the facility one, was like a robot towards the end! that was a good game way back when