Originally Posted by nixtree
Forums are a good option as most of them will be live there and will atleast see if they need those for any purpose. Other than that if you need good returns you may have to hire professional domain brokers or sites which is meant for the same. No other options will give you better returns.
Unfortunately most professional brokers are unlikely to take upon selling a domain if they do not see it being sold for at least an $X amount.
My gut feeling says the above names are not in that premium category, in spite of them being .com domains.