[@Defacto] Thus far, I have been very unrestrictive with power-levels. I believe that even a very powerful character can become interesting because they then must handle the responsibility that comes with that power. However, the power you are describing - creating dreams where anything can happen, and then turning it into reality - is just another way of saying "can make anything happen". In other words, God. This doesn't sound at all interesting to me, unless the character has a [i]major[/i] flaw that keeps him in check.

I give everyone creative freedom, but I [i]demand[/i] interesting characters.