For me, my plane choices changed more or less according to the various tours and such.
Beta 1 - learning AH, flew P-51D most of the time
Beta 2 - Pony, Spit
Beta 3 - N1K
Tour 1, 2, 3, 4 - didn't fly much
Tour 5 - Zeke
Tour 6, 7 - P-38, P-47, Spit
Tour 8 - C Hog, Pony, Spit
Tour 9 - Zeke, Yak
Tour 10, 11 - Yak, Spit
Tour 12, 13 - F4U-1D, F6F
Tour 14 - D Hog, 190D-9
Tour 15 - 190D-9
Tour 16 - Yak-9t
Tour 17-24 - F6F
Tour 25 - P-47 (hanging out with Drex a bit too much this tour)
Tour 26-Present - F6F
Pretty much mostly been F6F since the CV's were introduced. Have been flying other planes here and there for a break from the F6F, but I keep going back to it. If ain't broke...