I like that they are very flexible when it comes time for revisions, always willing & able help me make decisions about my project! They're also quick in responding once you've made your decision so there's no waiting around or wondering if something will be ok at this point (or not).
The only thing i dislike right now would have nothing really related directly back their services but more of just how expensive everything can get sometimes without any reason other than "it costs money". For example - we were given some rough sketches as well which was great since our designer had done her homework before coming into work together/ meeting up however she kept saying things such as 'we need these items' etc., then after showing them what exactly those item(s) meant later realized why all along because its simply too much detail compared from earlier sketch ideas provided by.