One thing I will mention for consideration Bulldog... If you even join the class action suit, then the $500 voucher is worthless.
Part of the release you sign for the voucher, is that it is considered Total payment for damages, and you forgo all other avenues..
So, if you join the class action, and it fails, or the pay-out is less than $500 per person, after fees, and Lawyer rip-off, you are S.O.L.
Just something to keep in mind.