[daitrong]

I think you should stick with passive until you've learned a bit more about active setups.

200 watt amp is fine.. heck a 1000 watt amp on drivers is fine, just keep the gain down.
Get rid of the Second set of twts. Jazz and realistic vocals? Sounds like Eton drivers to me =]

 

[daitrong]

Whether you would have a better sound that is still to be determined.