To me, there is no such thing as too much storage. I like this seating/storage idea. Nothing annoys me greater than having seat storage that you have open through the top--drawers are a perfect (and much more manageable) solution!
Thinking of a Play room! an Added Stage for Concerts and Storage! Storage platform would be great in a sewing/craft room or even for a dance/studio space - 12 Ingenious Hideaway Storage Ideas For Small Spaces