Hello All,
I may go against the grain on this one, but I do think that repeating letters do tend to fetch slightly better values on the wholesale market, though it's hard to quantify this, as there's little sales data to reflect upon.
Part of the reason I would speculate this is that double or triple (or even quadruple lettering) or numbering is easy to remember.
For example, consider:
aaa - Triple A Motor Club
aaaa - 4A sports
bbb - Better Business Bureau
411 - information
911 - emergency
add - attention deficit disorder
dss - department of social services
att - the telephone company
ssn - social security number
Consider also that every multiple of a, from aa.com to aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.com has been registered, and likely because they get some traffic.
For my money, I'd rather own xxz.tld than xzq.tld for example, as the first seems more memorable (though both are compose of equally lesser quality letters). Double letters do seem to be easier on the mind to remember at a quick glance.
This said, the ultimate arguement for any 3 letter domain, double letter or not, is how likely any 3 letter domain will be for end user sales. To this end, letter quality and letter placement rule supreme. I'd 10 times rather have a 3 letter domain with two or three random higher quality letters than one with a double letter of lesser quality letter composition.
Great discussion on this one and I look forward to others thoughts.
Thanks,
zesty