1)现在排期倒退到06年10月是不是意味着我还要等到排期(再等2年?)当前才有可能受到绿卡?
-Yes unless your I-485 will be approved in this month.
2)我当前的EAD将于14年8月过期,是不是可以每年renew EAD一直到绿卡下来或被拒?
-Yes. Just renew your EAD in advance up to 120 days before your current EAD expires. By the way, the EAD renewal is free (no fee) in your case (provide the copy of your I-485 receipt).