Pinball Pulse: The Ancients Beckon on DsiWare is a great pinball table, well worth 500 points. It looks great, has very good music, sfx, and voices , the physics are good, and there is lots to do. Reminds me very much of the older Pro Pinball games.
I bought this about a month ago and really, really enjoyed it. One of the best digital pinball games I have played. The physics are just about the best out there, the ruleset is good with lots to do, and the graphics are well done.
If you'd believe it, this was actually made by the guys that did the old Pro Pinball games. They've been around making the occasional pinball game since the '90s, while working on other projects as well. They also did Metroid Prime Pinball, another excellent DS pinball game.