ChainBB looks easy to use, but also looks like a tough place to get used to. It's design reminds me of old PHP forums before facebook was popular. Everyone would spend hours chatting and arguing in those forums. Those were good days.
However, even if this place has an old PHP feel to it, it looks modern even for today's standards, although somewhat simple. It doesn't make much use of a high resolution monitor and that's an issue I have with a lot of websites which are mostly optimized to make full use of 16:9 768p panels. Sometimes I feel it's only useful for games and nothing more.
My monitor has a very distinct problem. Sometimes I can notice that a little part of the screen which is asymmetric is a little bit, just a little bit brighter than the other parts on it. It was probably a hit, but I don't notice it in day to day computer use.