For some reasons, domainers so far preferred to buy CVCV rathe than VCVC.
For example, a domain like:
FIVU.com would sells now for at least $2,000
while the one I`m currently selling IFUV.com would hardly see that.
It`s not so logic to evaluate them and there are other factors plus the prices change quickly but so far they proved to be good bets.
I expect VCVC.com to catch up in values with CVCV.com, they are pretty similar and companies like EBAY, ASUS or items like IPOD are just examples of their use.