proac tab. 50's w/ low powered tube amp?

I currently have a norh se-9 low powered (9 watts) tube amplifier (EH EL34 output tubes) hooked up to a pair of Tannoy MX2 monitors. I am considering getting a pair of ProAc Tablette 50s and need some help. The thing I don't like about the Tannoys are they are a little too laid back sounding... maybe too musical. I want a little more crisp and better imaging speaker. Also I want to make sure that the ProAcs are efficient enought for my little amp to drive.

Mostly listen to light jazz vocals, classical chamber music, and your occasional rock/pop CDs. Fairly small room, about 12x16. Also considering high-efficiency Omega TS3 or Norh 3.0 single driver speakers. Any experience/suggestions for speakers with this type of setup?

thanks.