The only thing that bothers me about Tetris is the ever-increasing number of blocks given to you in the "next" queue. Original Tetris only showed one. Recent versions give you four -- some with a "hold" box for you to store that long skinny block. Now you get six?! How much easier can you make this?
That said, the theme look awesome, and I'm curious as to what the "items" do. I think I might wind up buying this. I mean, it's Tetris. You can't go wrong with Tetris. Ever.