I have had my Barclaycard for a while now and have been impressed with how this has been made so simple to use. I obtained this card so that I could carry out a balance transfer as there was a great offer on balance transfers at the time of obtaining the card and was impressed with how simple it was to carry out the balance transfer.
The call centre have been absolutely fine whenever I have needed to use them but to be fair I have hardly had to use them due to the fact that I have found their website so easy to use and well designed. The card runs well so long as you meet all of your payment obligations and when you receive your statements you get a breakdown of your transactions as well as your interest charges and how these have been come to (purchases, cashback, balance transfers, etc) which I found to be really good as with my previous card through another card issuer there was little information given but with the Barclaycard you get a good amount of information provided without having to request this.