Auctioneer is dead, make sure and click it off. I believe there are updates coming, so be aware...
Disclaimer: Read at your own risk.... =)
Gonna do my best to post any new updates that I am seeing as it happens live. I already did a 4.3 readiness post you might want to check if you haven't.....I hope you remembered to update your Curse Client....I did not. My UI is a mess. Go figure..
First off, got my juicy little Mount (Tyrael's Charger):
The Jewelcrafting Vendor in your hometown has a few things, it seems that you can either purchase specific cuts for 5 Jewelcrafting Tokens, or purchase a Tome of Burning [url=http://wow.magelo.com/en/item/24270/Bag-of-Jewels]Bag of Jewels[/url] for 4. So, if you aren't cut specific, it looks like you can get a deal.
All easy to find, if you aren't familiar, go ask one of your helpful hometown guards: