Isn't the depth going from a 55-90g sweet!!! You have a little more options for aquascaping now.
Wanna try building an aquascape that defies gravity using acrylic rod? I have a little in my tank and a pleased with the result....easy and cheap too.
Mark and I wil tank sit for you.......(dibs on the rainbow milli Mark, don't tell Jodan.....I bet we can hack off some of that bubble for you too, he won't miss it!!)