I'm thinking of replacing my existing speaker Acoustic Energy AE120..i have shortlisted some speakers as follows:

1) Quad 11L
2) Mordaunt Short MS 914
3) B&W 602 S3
4) Monitor Audio Bronze 2

Anyone has any idea which one above is the best to buy?

My system:

Marantz PM-7000 Integrated Amplifier (going to be replaced soon)
Acoustic Energy AE120 Speaker
Kenwood Laser Disc player as CD player (going to buy a CD player soon)