Bid starts at 5k. Minimum increments of 500g. Auction ends tomorrow at 5ish central time, be online tomorrow night or you will not get it til friday/saturday. I am going out of town monday...
Most PvP players would rather just buy unided superior runes now, since you now get the rune out with an expert kit 100% of the time. So pull the rune out and hope for a super.
Nothing will destroy the value of this faster than identifying it. Only do that if you want the unlock yourself.