Just confirmed today, the promo still on, apparently rep say on till end of March.
Just got the $36/month for 4 gig with 400 minutes and unlimited text. Also in 6 month i can move to Royalty plan. with unlimited minutes.
I got $50 refer credit for each accounts (2 lines - 1 line per account). In order to get $50 referral you have to setup separate accounts for the lines.