Wow, I only started getting into the G3 birthflowers (thought it would be cute to have G3 versions to compliment my G1 alt-birthflowers..) and prices for these girls are rather high - unless you get lucky and score one that no one else seemed to spot on ebay, or you stalk the 'for sale' threads here or you know someone who can sell them to you privately!
Best of luck to you!