Sinnoh best
Also, Ash never put on the new clothing. Weird. And why would you use Electivire to advertise Gen 4? It's related to an existing pokemon. Use a completely original Gen 4 pokemon.
I guess it evolved from his Electabuzz.
Also Ash battling an Electivire to give him the impetus to travel through Sinnoh works, because it does kind of come full circle in a way.
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"oh my god oh my god a spider just crawled INTO MY KEYBOARD" -pxlated
"It just wants some web access." - Ness26