Thanks for the advice.
First impressions are good, but I'll need a few more miles in before I really know.
The stem is a little longer and lower, but the bars have about half inch more rise and sweep back, as well as being wider.
Reach hasn't been lengthened that much (I can just about sit vertically with my fingers wrapped round the grips, but I need to lean forward a little to get a comfortable postion with fingers over the brakes). It feels a little more 'relaxed', probably largely due the extra width.
The weight of the bars and stem is greatly reduced which seems to add a little 'spring' to the front end.
Richard
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Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)