So I got really bored on campus waiting for my lab to start; I went through the auction results on the EMM website and got some numbers:

Nine went for $700
The total average price of all the horses was about $1,094.67
The average price for all the Stars horses was about $278.13 (Nine was the top selling Star! Yay!)
Average price for Idols horses: $823.21
Average price for Legends horses: $1443.08

The top selling horse was Silverado for a whopping $10,500!

And for my own personal feel-good: Nine sold for more money than 55% of the Idols and 48% of the Legends!

Maybe when I get home I might put it all into an Excel document and send it in to the EMM so they can post it in an easy-to-read format...