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Surprisingly, I've found the DC Girls Wondy to be the most "fun."
She's HUEG and solidly built. Good articulation. Charming sculpt. Pretty much can be found everywhere now for $20. Her only minus is her stiff plastic lasso, which can be easily replaced by some gold cord found in the craft section. There's also the smaller 6" figure, which can be had for a tenner.
Sure, she's a highly stylized doll, but if you're going to collect WW stuff, you might as well resign the fact that you're going to pick up a doll or two for your collection.