Received this on Saturday from DVDBoxoffice, managed to get in a few hours on the weekend.
This game really is the dog nanglies of shoot em ups. The design is awesome, this game really relies on a lot of skill and a little bit of luck. The simplicity of the game is also astounding, no huge weapons, just one ability that has to be used very effectively. To me this game seems more of a puzzler than a shoot em up, you really have to think about what is coming next.
The learning curve is kind of steep, but there is always hope, especially with lots of practice options. The first time I played on easy I couldn't complete the first level without using a credit, now I can complete the first two without even touching a credit and sometimes without losing a life. (I can even rack up a few nice chains now

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If anyone is hankering for some old skool difficulty coupled with modern graphics, you have to buy this game. I believe though if you are only a soft core gamer then this game may have some appeal, but you will likely get frustrated with the difficulty.
I can't wait for Treasures next release!