First Road Bike Help

Hey guys I'm really struggling finding my first road bike i have a budget of about £600 would push to £700 if it was worth it. I'm going to be using the bike for commuting and fitness mainly. The current bikes I'm looking at are:
http://www.wiggle.co.uk/bianchi-c2c-nirone-7-sora-2013/
http://www.wiggle.co.uk/felt-f85-tiagra ... exclusive/
http://www.giant-bicycles.com/en-gb/bik ... 833/56806/
http://www.zeevon.com/sale/road-bike-sa ... d-bike1234
http://www.zeevon.com/sale/road-bike-sa ... d-bike1234
Any other suggestions welcome I'm also thinking for getting the 2014 secteur for comfort.
http://www.wiggle.co.uk/bianchi-c2c-nirone-7-sora-2013/
http://www.wiggle.co.uk/felt-f85-tiagra ... exclusive/
http://www.giant-bicycles.com/en-gb/bik ... 833/56806/
http://www.zeevon.com/sale/road-bike-sa ... d-bike1234
http://www.zeevon.com/sale/road-bike-sa ... d-bike1234
Any other suggestions welcome I'm also thinking for getting the 2014 secteur for comfort.
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Posts
But I do like the felt.
Links to bikes:
http://merida-bikes.com/en_gb/bike/2014/52/ROAD/Ride+93
http://www.focus-bikes.com/index.php?id ... #chapter-1
The merida is a very good ride, all depends on what geometry suits you best. I actually found the Merida more relaxed than my Domane.
The focus looks good though and i know a lot of people who are very happy with their carbon focus rides.