Here are some links which might be useful to our members, or MG enthusiasts in general:
MG Owners Cub Website
MGB Hive, Parsons Drove (MG Midget and MGB/C parts)
Trophy Cars (MGF specialists)
Halls Garage, Morton near Bourne (MG servicing and restoration)  
Brown and Gammons, Baldock (Parts/repairs for all MGs, and MG Motors Dealership). 
Donalds of Peterborough (MG Motors Dealership).  
WH Brand (MG Motors Dealership, Whaplode Drove near Spalding). 
MechSpec near Doncaster (Massive stocks of new/used MGB/C/Midget parts).