Don't let it get you down, mang!
I know how frustrating it can be though. I have yet to see a single Zombie Viper. I live a proverbial stones throw from Hasbro HQ. I wish I could just go down there and buy from them.
TF is really becoming depressing though --- starting with that phantom Cosmos wave --- then those G1 Legends that didn't show up for months, but then hit Five Below. Skip ahead to the RTS stuff... and now, this. I'm probably missing a few things too.
I'm so over the hunt part. My time is more valubale. If I want something bad enough I'll just order it online.