RE: Skyshark P-40 Discontinued
If you like to build, the Jerry Bates P40 (82" wingspan) is the same size as the Skyshark. You can get a fiberglass fuselage form VicRC. The Ziroli P-40 is larger with a wingspan of 94".
Or maybe a Top Flite P-40 ARF. I saw one over the weekend, not bad for an ARF.