Celestial Mount Delivery Glitch?

Hey, A few hours ago I purchased a Celestial Steed.... and it hasn't come through. Everyone else I know who has one got it right away, as soon as they bought it... but mine hasn't. I went on and checked the Status and it said "Processing" does that meen the order is still being sent? I do understand the Blizzard Staff are very bust. Oh and another thing, my mate told me that when he bought it, it came up with "Activate" or "Mail" (he bought two) and he mailed one for his wife and activated one for him... they both got it right away though... is it just that there are lots of people buying them and the blizzard staff are going through and validating every order? or did I do something incorrect when ordering it?

Thanks

- Storiann