There are many many complaints on many forums about them. Then again there are many who praise them. Most of the complaints are mainly acyrilic stuff, and custom stuff, and a lot of customer service issues. There was some threads on another forum where the guy quoted the entire emails and phone conversations, and to be honest, not sure if I'd ever buy from em again even though I have a GC 240 and happy with it. The other reason is there prices are much higher than they used to be. The 240g is $150 more in under 2 years time. Pretty soon they arent going to be the cheapest ones anymore. I kinda wish I had waited, the LFS actualy had a $2/g sale and could have got a 220g for $440, thats about the only tank cheaper than GC new and local I've seen. I havent decided if I'll look elsewhere when I go bigger, maybe I might fins a super used deal.