Since MG Rover's recent UK launch of a wide range of MG-badged models, ranging from a 1.4-litre three-door hatchback to (eventually) a rip-snorting 375bhp five-litre V8 rear drive musclecar sufficient to send a loud wake-up call to BMW's mighty M5, cloth-capped MG purists in pubs across the UK have probably been muttering "badge engineering" into their warm dark ales, writes deputy editor Graeme Roberts.