I almost bought a bike from
Wiggle , glad I didn't , I got one from a one man band LBS , any probs you can wheel it back in and it gets sorted ( not that there has ! ) I don't know if Wiggle have an agreement with any retailers if anything goes wrong ,if it does ,and they are like Chainreaction , you get a replacement part through the post , no good if you cannot do repairs ,
As for GT , I've got two . One full on MTB and a Hybrid , both xlnt bikes , my Son uses the hybrid to knock around on , my new bike is a Surley ( as in the avatar ) I did a deal with the shop owner , I picked a bike , got to trial the model , went in over several weeks and paid an amount off it , when he had about 75% he got it in ,last payment bike was there waiting ,( also got a modification , only paid for the part , a granny ring ) , no interest , and not as clinical as dealing with web sellers , he really appreciated the business ,
also I didn't fancy a drop bar , my right arm is now permanently bent at the elbow giving me a six in shortfall of reach , I discussed this , we worked it out , it took me a few trips to get used to It but as others say , I am very rarely in the full drop riding position , and will get some of those top bar brake levers
Hope you work it out , Cheers