Anyone read the classic Alert In The West by Willi Heilmann? As a Staffelkapitan in III./JG 54, it could be said he knew his stuff. This is what he wrote about allied fighters of mid/late 1944.
This was relating to his experience in Western France, before the Green Hearts moved east and got the Dora 9.
"The enemy fighter defence was particularly strong that day, but the most dreaded opponent, the fast, well armed Spitfire, was not so much in eviidence. Not a single Tempest... was to be seen...Mustangs and Lightings were in any case no match for the Focke - provided it was flown by an able pilot. Only the Thunderbolt at great height was something of a headache."
Thought it would be interesting to put forward the opinion of someone who actually fought in combat at the time.