In terms of the latest customization options from jack's blog

In addition to the standard edition you can also pre-order an World of Warcraft : Shadowlands collector's edition for WoTLK Gold $120. It comes with a level booster the flying mount, a transmog quest pet, weapon effect and more. If you'd like to play a game through Blizzard's Battle.net service and you're likely to be in for a bit of a wait. When we say "a bit," we're talking about more than one month.

Users trying to sign in on Battle.net today are being trapped in extremely long queues according to one person who estimates that he'd be waiting for about 1.2 years if the queue's estimate was correct. It's not true though, as it's actually about 45 days. Blizzard isn't addressing the waiting times on its support Twitter page as of yet.

This is an enormous update that introduces some of the "majority" of the game system changes that will be introduced in Shadowlands with the world's first game-specific level squish available to the MMO. Players are now reduced to the maximum level of 50. to help prepare for the new limit of 60 players when Shadowlands is released. The pre-patch also introduces the Exile's Reach beginning zone, new customization options for all races and modifications to the stat and item levels.

The other thing that is new in the pre-patch is a limited-time event called Death Rising. In this event, players must defend Azeroth against a "World of Warcraft invasion" that takes over the continent. This event is only open until Shadowlands launches, and includes special rewards.

In terms of the latest customization options, Blizzard has "revitalized" the experience by introducing a brand new interface and new options like eye color, more skin tones, new hair styles and different colors for your hair or fur.

There's also the "newcomer chat" channel for new players seeking help and advice getting beginning in the MMO. Players are removed from this channel once they have reached the level 20. Proficient players looking to help newcomers can be a guide by going to their respective Stormwind Embassy or the Orgrimmar Embassy. Candidates who want to cheap WoTLK Gold become guides should have an account that is in good standing, be level 50 as well as have done more than 3000 quests in addition to other requirements.