Some of you may be interested in the Feb issue of Pilot magazine, which contains a full flight test of a Slingsby Type 31/Cadet TX Mk.3. Kind of ironic that WT900 is still airworthy and serviceable, while most of the Grob Vikings that superseded it aren't.
I understand that there are more ex Air Cadet T31/Cadet TX Mk3 and Slingsby Sedburgh T21s in private hands flying on a regular basis than there are "recovered" Grob Vikings. Says it all really!