Offhand, I woud say the Naboo starfight served as inspiration moreso then the podracers, but they both have engines first, everything else second, as mentioned, so maybe it was Just SW EP1 in general that inspired you. Eitherway, not a bad thing.
If CIBt was cooperating, Iw oudl blog this right away. As it is, It will have to wait a bit.
The first theory of Ketchup: With enough Ketchup, everything tastes the same.