Perhaps VZW should work on getting their existing 4G devices to work in existing 4G environments. Take a look at VZW's forums regarding connectivity issues. I know first hand their "fix" is to send you out a new SIM or a re-furb that will eventually have the same issue. I'm actually calling VZW today to get a refund on my previous 2 months data service. I don't think it's cool to pay for something that only works 50% of the time.
With the refund? Guess the luck you sent me worked. VZW refunded my data (for the month of July) cost. It just showed up as a credit on my account. If you can prove the history, as in you call, and call, and call - as I did, maybe that's what needs to be done. It just blows that you need to create such a case.