Cambridge Audio 640A

Hi C hing,
I use Yamaha AV Amp + Dali speaker.
Now want to upgrade to Cambridge 640A. is it a good choice?

use Dali Blue 2002.

Spec
DALI Blue Series 2002
Frequency Response, ±3dB 41 Hz - 24 kHz
Crossover Frequency 3 kHz
Sensitivity (2.83V/1m.) 88 dB
Nominal Impedance 4 Ohm
Maximum SPL 108 dB
Rec. Amplifier Power, 8 Ohm 30 - 100 Watts
High Frequency Driver 1"
Low Frequency Drivers 6.5"
Midrange Driver -
Enclosure Type Reflex, 40 Hz Tuning
Placement Stand/Shelf
Recommended Rear Wall Distance -

Yamaha V-800

I like listen piano, 關正傑, old song and Hacken Lee's song.

Budget is ~3-4000.

Apart from Cambridge Audio, any other choice?