Let me start by saying that I am the chief mechanic for a small antique auto museum in the US. I've worked on a fair few MG T series cars.
Yup, it's nit picking time...
The fenders (wings in Brit speak) on the TA are far too wide, as are the wheels and tyres. The TA through TC series MGs had very narrow 19" diameter wheels and tyres. Also that colour is more than a bit too bright for a 1930s/40s era MG. The Austin Seven is spot on however. (Worked on one of those as well, not many on our side of the pond though).
Now what I'd like to see is a Triumph Gloria Southern Cross, as I'm a Triumph man myself (TR3).