Wheels about £250: Ultegra 6700?

Having never upgraded wheels before (Boardman Team Carbon Fi) and after coming off the bike a few weeks ago and buckling the standard Ritchey Pro DS wheels that were on the bike I'm thinking about grasping the opportunity!
I'm looking to spend about £250 and was thinking about the Ultegra 6700 wheelset.
I notice that there seems to be two types on the go at the moment. I think it might be the 2011 version and the 20112 "grey" version.
Is there any difference with these apart form the colour?
Are there any other wheels I should be considering about this price (or less)?
Thanks
I'm looking to spend about £250 and was thinking about the Ultegra 6700 wheelset.
I notice that there seems to be two types on the go at the moment. I think it might be the 2011 version and the 20112 "grey" version.
Is there any difference with these apart form the colour?
Are there any other wheels I should be considering about this price (or less)?
Thanks
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http://www.ribblecycles.co.uk/default.a ... ROLWHFR280
I'm guessing that rider weight/build plays a part in the art of the perfect wheel and I'm only 54kg so it's probably best to see the customer.
I'm not overly swayed towards the Ultegra as it's a SRAM set up I've got on the bike and Mettan's comments on the ease of fitting a tyre puts me off the 6700's - last time I tried to change a tyre on my Bontrager wheels I was pleased at having completed it in under an hour!
I'll have a look at the Bracciano's as they seem to get good reviews per the Ribble site. Slightly over my budget with postage but guess that's always the way with cycling