I'm a Slytherin - but not evil (Merlin was a Slytherin, you know.) I agree that it's well done as a start. I look forward to what they do next. I bet a lot of effort went to getting it robust enough to handle all the millions of people who will play, and now that it's open they will add content soon.
I'm SunStrike7980 on there if anyone wants to be friends!