Just bear in mind that 900p might be low depending on the server. I saw them start at 1k and the two servers I've looked for them on ran 1.1-1.25k on the auction house. --- Stop complaining. I could have done this more painfully. - Dryad from Sacred 2.
vahndragonwing, the cheapest REX on my shard is currently going for 1299 platinum. The good news for me is that I figured out how to get the 1500 loyalty without spending ANY platinum or actual dollars to buy the credits in the Rift store.
I should now be able to earn platinum at a much quicker pace thanks to my ability to create auctions in the Auction House. --- Overcoming obstacles is one of life's greatest joys!