I go every year with my family...
I went to school with the Maas kids when their family was still running the lodge. When we all moved away, the Maas's sold it to Wings of Alaska, and they've done a great job of preserving the attraction and conducting the tours.
You'll love it. I think the only tour I'd put higher on my "must do list" is a sport fishing or Tracy Arm trip, but I'm a bit biased too! ;-)
Happy Alaska Travels!
Better not for now... signatures get me banned!