I know I posted this recently in another thread, but it seems appropriate here:

Amazing video/performance this guy tells it like I was trying to explain earlier in this thread. If it seems to good to be true.....

The main problem is that the dealers/creators are always talking about the pros only and doesn't mention the cons at all.

that's the reason why we are disappointed, because we usually find out the cons when we get the effect.

I usually wait now until a convention takes place firstly to support them but secondly I like to see the item demonstrated. I have learnt
The hard way