I was being half tongue in cheek, but half serious too.
I believe that not all 5 digit .coms are taken yet, but a lot are.
I'm also sure there are some good 6 digit coms free, but the problem is, working out what 6 digit .coms are worth registering.
>> or should still be creative and look for other alternatives.
That could work nicely if you find the right sort of names before others latch on to the niches.