So upgraded the Inbred to something shinier. You can certainly feel the lack of weight and there is definitely more of a 'spring' to the rear.
Worth it? well yes, as I only paid £370 for a new frame (not certain I would want to pay £470 for one).
[url= http://farm2.static.flickr.com/1379/5113857808_4e841781fd.jp g" target="_blank">
[url= http://www.flickr.com/photos/13146208@N08/5113857808/ ]IMGP3282[/url] by [url= http://www.flickr.com/people/13146208@N08/ ]jh_buchanan[/url], on Flickr
[url= http://farm2.static.flickr.com/1426/5113257577_a918888169.jp g" target="_blank">
[url= http://www.flickr.com/photos/13146208@N08/5113257577/ ]IMGP3281[/url] by [url= http://www.flickr.com/people/13146208@N08/ ]jh_buchanan[/url], on Flickr
[url= http://farm2.static.flickr.com/1382/5113257353_eb1cc4715a.jp g" target="_blank">
[url= http://www.flickr.com/photos/13146208@N08/5113257353/ ]IMGP3279[/url] by [url= http://www.flickr.com/people/13146208@N08/ ]jh_buchanan[/url], on Flickr