While I'm sympathetic to someone who has paid out good money for something which hasn't arrived, I've got to ask the question: "Why are you posting this here?"
OK, it's a Pandora you've purchased, but that's about it. I assume you're looking to blow off some steam, which I can understand, but you should be doing so on an eBay forum surely?
I don't want to sound harsh, but you purchased something from eBay that you say you paid more for than you needed to if you'd just ordered it from Openpandora Sales. If you'd ordered it from Openpandora, you'd also have been supporting the project. Purchasing a second hand unit from eBay and then moaning about it on the official boards with a provocative thread title which insinuates and implicates Openpandora in your transaction.
Assuming you paid by PayPal, file your protest with them, get your money back and order one through the official channels. You'll get it in 7 days (like I did) AND you'll be supporting the continued growth of OPT and the rest of the community.
If it comes across as if I'm sounding a little harsh, I'm sorry. But would you buy a PS3 off eBay and then go onto the Official Sony forums and bitch about it or do something about getting your money back via eBay/PayPal?