is good
i love this kind of puzzle games in which you shitf blocks to make combos and have some extra effects, but i found some things you might want to check:
1.-"Restart" button is kind of pointless, the only way you would want to use it is because you lost, but once you lose the button is unavailable. =(
2,. I think is good without music because i can put my own music and play this game just forever, but sound effects could be a little less louder (maybe is just thing of my PC Speakers)
3.- I see once you run out of time or movements, one last chance of making points appears, i think is worth to have that moment as a quick 'retry', i mean, if you can make lines and have more matches to keep playing, you should actually be able to keep playing, and maybe add 5 or 10 seconds to the clock, just saying.
4.-This is more like a request =p, a "Quality" button, for some odd reason, firefox with Flash media streaming takes 200 megas of memory and 80% of CPU, i think is related to my OS, but anyway, a Q button would make my day.
out of these points i think the game is actually very enjoyable =)