I liked NES speed run of Arkanoid, so I'm surprised I haven't seen this game mentioned here. Granted, all the Arkanoid games are pretty similar, but there are new powerups to make optimal use of, a multiball that gives you 8 balls instead of just 3, and also a few boss fights. Overall, it was a pretty cool and overlooked sequel... much better than the rather wretched "Arkanoid Returns" arcade game.
I actually made my own run of this and uploaded it to
http://omake.studio-zoe.com/dohitagain-joshl.zip (uses the USA rom). I did the best I could with it, but it's a little inconsistent on the whole, and I don't think it's good enough to submit properly. But y'all can use it to judge whether a time attack of this game would be entertaining or not. It only includes the first 33 levels. There are 99 total. ^^;