With the upcoming release of the 1940's map for DCS this video comparing the BF-109 against the Spitfire makes some good points. We'll have to see how accurately DCS portrays these.
SPITFIRE vs MESSERSCHMITT
https://www.youtube.com/watch?v=-W75dFaGmTc
SPITFIRE vs MESSERSCHMITT
https://www.youtube.com/watch?v=-W75dFaGmTc