I'm fairly happy that so far the whole game requires only two calls to DrawIndexedPrimitive per frame as well, despite being able to load arbitrary numbers of different graphics files at startup.
I'm now thinking get all the stars to activate a teleport, teleport uses alpha-fading to take you off the screen then on to the next level. Bing bang bosh - game structure finished and just mobile enemies to do.
Oh, and a level editor.
This is the animation for the star: