I'm not really sure how popular this drink was in the States back in the day, but I loved it where I was from. And apparently, they're making a comeback. You can buy them by the case ($35 for 12 bottles, which is roughly $3/bottle), which I suppose isn't terribly expensive if you love the stuff. I won't be going to such lengths to enjoy them once again, but I encourage you to do just that and invite me over.
(Let the record show that if Pepsi Blue ever does this, I will spend my savings on owning every last can.) (I'm not proud of that, but I owe you my honesty.)