Here's a kind of Top 10 Best Turtles specific figures using a "basic" Raph as an example. Might need some updating soon. Also not totally in order of greatness.

NECA Mirage RtNY/Jim Lawson Raph
NECA Mirage Raph
NECA 1990 movie Raph
NECA SotO movie Raph?
NECA cartoon Raph
Mezco "Mirage" Raph
S.H. Figuarts Raph
Revoltech Raph
Super7 ultimates 2003 Raph
Super7 ultimates Raph

Honourable mentions:
Playmates 1988 Raph