Not just the Yak-3... the Yakovlev series was the most highly produced fighter series ever (35,000 IIRC). It should have, at least, as many variants as the Spitfire and 109 lines do. For example...
Yak-1
Yak-7B
Yak-9T
Yak-9U
Yak-3
Maybe a standard Yak-9, or a Yak-7 with and without the cut-down fuselage. It Would be nice.