Name 3 classic mini-monitors worth keeping- Why?

This is a very loaded question what constitutes classic? Currently in production or not?

If Classic means greater than 10 years or older:

Spica TC 50
Celestiion SL 600 and 700
ATC SCM 19 
Harbeths most smaller models
Proac Tablette and Response monitors
Monitor Audio Studio 10
Kef Ref 201.2 
B&W 805 

Dave and Troy
Audio Doctor NJ