I think it's .com
.COM isn't "washed up", it remains king, but there is a market for ccTLDs as long as the keywords are in the country's language. (It wouldn't make too much sense to sell English .it domains or Russian .de domains, unless the keyword is commonly used in that country.)
.AE domains Dubai will be the next domain rush people are regging lots of them now but i think when their is a 7 figure sale it will be a gold rush .
how could horse.ae sell for that much, don't they speak arabic over there? or was it an IDN - lol.
I believe horse racing is big in the emirates. But I doubt we will see another sale like that in .ae.
*the exceptional businesses of our esteemed moderators