I was pulling onto the A46 near Kinoulton yesterday and as I came down the ramp and started booting the SC into action I noticed another black SC alongside.

At first glance I thought it was great to have 2 black 5.0 SCs in one place, but then I noticed his front grille wasn't 2010MY even though his rear lights were. Half a job?

I was then also disappointed that he was driving like my Gran would (Why have a SC if you don't enjoy it?) I wanted to have a play!

Number plate was very similar to mine ** TAY Discovery 4 HSE
1998 110 TUM HS FFR Hard Top XD WOLF
1982 Series 3 Hard Top

*Gone:L462 D5 HSE LUX, L663 Defender 110 HSE, Discovery 3 HSE, 2014MY Range Rover Sport 5.0 Supercharged AB Dynamic; L405 Exec Vogue SE 4.4, 5.0 Supercharged Autobiography, Defender TDCi XS CSW, Defender TD5 HT, Vogue SE TDV8, Vogue TD6, RRSport SC 4.2V8, Classic 3.9 Vogue Auto, Land Rover Series 3 SWB

Good luck with someone owning up to that !  Previously..
Vogue SE TD6
Defender 90 2.4
Defender 110 TD5
Vogue 3.5 EFI

"Half a job" ?

Probably right, the good half being the front end. In fact it might well have been a disillusioned 5.0 owner half way through converting it back to how god intended it should look before the 2010MY!

"... driving like my Gran would (Why have a SC if you don't enjoy it?) I wanted to have a play!"

Maybe he was enjoying frustrating you?