.museum and .travel are the truest longest TLD suffixes, both being 6 letters (plus the dot would make 7).
I hear Brittany Spears had some pretty long hair extensions.
BTW, I believe com.com is owned by cnet and I'm doubtful they're selling IDN subdomains. I'm thinking this has to be an error. Domain in question is xn--j2bd4cyah0f.com.com at $4,000 in Mar 07 and listed by DnJournal at http://www.dnjournal.com/archive/domainsales/2007/domainsales03-20-07.htm
I'm thinking Ron must have make a typo. Anybody agree?
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