First 'decent' bike advice please

Hello all. I haven't got much clue what I'm looking at with bikes. To be honest it's mind blowing trying to work out which bike to get. Trying to compare bikes and specs is really hard.
I would like a bike to ride to work (few miles each way, smooth roads mainly but some rough terrain along the way). Also I would enjoy using it to build fitness up during the weekend. And maybe when we go away in the UK I'd like to take it. I would like the bike to be fast but comfortable not just on road.
From looking in this part of the forum mostly you recommend not having suspension. Does that small amount of extra weight really matter? Before looking on here after loads of looking, I really like these following bikes.
Appriciate any advice anyone could give please. Hopefully I can give a little back once I've learnt a bit more about bikes & will leave a review on my purchase if it would be any good!
Thanks for reading, Matt.
Whyte Malvern £554
http://www.discountcyclesdirect.co.uk/catalog/product.php?CI_ID=17862
Cube nature pro £479
http://cubebikesnortheast.co.uk/sale-cube-bike/2015-cube-bikes-SALE/2015-cube-hybrid-touring-bikes/2015-cube-nature-pro
Specialized crosstrail sport £440
http://m.evanscycles.com/products/specialized/crosstrail-sport-disc-2016-hybrid-bike-ec070598
Giant roam 0 £499
http://www.rutlandcycling.com/285042/products/2015-giant-roam-0-hybrid-bike-silver-blue-
Felt QX80 £483
http://www.tredz.co.uk/.Felt-QX80-2015-Hybrid-Sports-Bike_74261.htm?sku=233540&utm_source=Google&utm_medium=AdwordsProductAds&utm_campaign=Adwords&gclid=Cj0KEQiAwNmzBRCaw9uR3dGt950BEiQAnbK963l7umsfEEpSnmEOZfNnuQbYJwiPb2SZw8dqy5dKqAYaAkpF8P8HAQ
I would like a bike to ride to work (few miles each way, smooth roads mainly but some rough terrain along the way). Also I would enjoy using it to build fitness up during the weekend. And maybe when we go away in the UK I'd like to take it. I would like the bike to be fast but comfortable not just on road.
From looking in this part of the forum mostly you recommend not having suspension. Does that small amount of extra weight really matter? Before looking on here after loads of looking, I really like these following bikes.
Appriciate any advice anyone could give please. Hopefully I can give a little back once I've learnt a bit more about bikes & will leave a review on my purchase if it would be any good!
Thanks for reading, Matt.
Whyte Malvern £554
http://www.discountcyclesdirect.co.uk/catalog/product.php?CI_ID=17862
Cube nature pro £479
http://cubebikesnortheast.co.uk/sale-cube-bike/2015-cube-bikes-SALE/2015-cube-hybrid-touring-bikes/2015-cube-nature-pro
Specialized crosstrail sport £440
http://m.evanscycles.com/products/specialized/crosstrail-sport-disc-2016-hybrid-bike-ec070598
Giant roam 0 £499
http://www.rutlandcycling.com/285042/products/2015-giant-roam-0-hybrid-bike-silver-blue-
Felt QX80 £483
http://www.tredz.co.uk/.Felt-QX80-2015-Hybrid-Sports-Bike_74261.htm?sku=233540&utm_source=Google&utm_medium=AdwordsProductAds&utm_campaign=Adwords&gclid=Cj0KEQiAwNmzBRCaw9uR3dGt950BEiQAnbK963l7umsfEEpSnmEOZfNnuQbYJwiPb2SZw8dqy5dKqAYaAkpF8P8HAQ
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Posts
Cheap suspension forks will weigh upto 2.5Kg while decent rigid forks will be sub 800g, lower aero drag as well.
At that price point big name brands are dreadful value, have a look at Decathlon, Halfords and Go-Outdoors offerings.
This http://www.halfords.com/cycling/bikes/classic-bikes/voodoo-marasa-hybrid-bike-2013-2014 is a great value bike (if an 18" suites, this years bike is £100 more), the tyres are a bit cheap and heavy and an easy upgrade, with some subtle tweaks you can turn it into a fast road Hybrid using 28or32mm tyres or a rigid mountain bike on some knobblies or a go anywhere bike on something like a Kenda small block 8.
Rookie, I'd need a large for most bikes by the looks of things. Also being a complete newbie, I'd appriciate something that wouldn't need too many upgrades.
Thank you both for your replies.
+ 1 for the Whyte brand. Recently picked up a 2015 Stirling which is the model up from the Cambridge and it is a really nice ride. Well specced and very quick to accelerate (probably due to the light weight) but has the comfort of a mountain bike.
I did try a number of different hybrid bikes, including but not limited to a Jamis Coda Elite, Cannondale Bad Boy, Marin Muirwood, Trek Allant 7.4 but the Whyte felt like the best of the bikes I tried.
Time will tell how reliable and durable it is, but for now I am enjoying being back on a bike again after too long a hiatus.
Another +1 for Whyte - I have had my cambridge since mid 2012 and in 13, 14, and 15 done between 5,000-8000 km each year. Ok lots of bits have been replaced/upgrades but a fair bit hasn't been touched and frameset is still good and fun