It is more fun, because it feels smaller and lighter. Yow feel more connected to the car. It is more tossable.
But while I have driven a standard E36 M3, most of my time is in my M3 LTW.
'95 Alpine M3 LTW
'00 Dakar M Roadster
'02 Topaz M3
Red/White SRF #4 (Chassis 561)